I still do not understand how 1M free theme downloads translate into 6 figure business. Does that mean every 10th downloader actually gets you a comission of $

I still do not understand how 1M free theme downloads translate into 6 figure business. Does that mean every 10th downloader actually gets you a comission of $1 on some affiliate purchase or does that mean that every 100th downloader buys something generating $10 in affiliate income?