Another option is to piece the batting ...
Batt the center 1/3 of the quilt and quilt up to 5" from the edge of the batting. When done, attach more batting to the left side - baste - and quilt the left section of the quilt. Then do the same for the right side.
To join the batting you can use batt tape, or a long-wide zig zag stitch (by hand or machine).
To cut the batting so that it matches exactly ... lay one edge of the batting over the other - overlapping by 2" or so. Rotary cut only over the section where the batting overlaps, and rotary cut with very slight "waves" - not a straight line. Pull away the trimmed edge and it's very easy to match the batt edge to edge because the curves will match.
Pretty cool that you're making the quilt with ALL of your machines!!