A silver cube with an edge length of 2.28 cm and a gold cube with an edge length of 2.66 cm are both heated to [tex]89.7 \,^{\circ}\mathrm{C}[/tex] and placed in [tex]100.5 \, \text{mL}[/tex] of water at [tex]19.3 \,^{\circ}\mathrm{C}[/tex]. What is the final temperature of the water when thermal equilibrium is reached?