server role in series

Is there a way to link 3 machines in series.
I mean, pc1 as server to pc2 and then pc2 as server with pc1 and pc2 info to pc3?

Pc1 has one NIC, pc2 has 2 NICs one to pc1 and the other to pc3. And I can't bridge pc2 NICs

Hope I made myself clear.
Thanks