Finding the Third Proportional to 356,727.50 and 772,261

Step by Step Solution

1. Step 1: Write the proportion equation
   356,727.50 : 772,261 = 772,261 : x
2. Step 2: Convert to fraction form
   356,727.50/772,261 = 772,261/x
3. Step 3: Cross multiply
   356,727.50x = 772,261 × 772,261
4. Step 4: Simplify right side
   356,727.50x = 596,387,052,121
5. Step 5: Solve for x
   x = 596,387,052,121/356,727.50
6. Step 6: Final answer
   x = 1,671,828.08