User blog comment:SandstoneGem/Googolomegamegaplex/@comment-30754445-20170606165137

That would be about FE3000000 (or G2.449)

It's between Saibian's "Googoldexigong" and Saibian's "Googoldexibong":

Googoldexigong ≈ FE(100 000) = FEE5 ≈ G2.431

Googolomegamegaplex ≈ FE(3 000 000) ~ FEE6.5 ≈ G2.449

Googoldexibong ≈ FE(100 000 000) = FEE8 ≈ G2.462