Finding the Third Proportional to 237,007.50 and 518,355

Step by Step Solution

1. Step 1: Write the proportion equation
   237,007.50 : 518,355 = 518,355 : x
2. Step 2: Convert to fraction form
   237,007.50/518,355 = 518,355/x
3. Step 3: Cross multiply
   237,007.50x = 518,355 × 518,355
4. Step 4: Simplify right side
   237,007.50x = 268,691,906,025
5. Step 5: Solve for x
   x = 268,691,906,025/237,007.50
6. Step 6: Final answer
   x = 1,133,685.25