I think this is an interesting question, because there is absolutely no way to know the answer for a 22-year old who is probably not quite done growing.
He keeps hanging out with his "boy" ARod and his ceiling could be Barry Bonds!
In seriousness, I think a realistic ceiling that we would all be pleased with would be Evan Longoria (270/350/500). OBP is probably a bit too high for Machado, so Jones range may actually be about right. I think he has a similar swing to Longoria, too: