Finding the Third Proportional to 152,937.50 and 329,309

Step by Step Solution

1. Step 1: Write the proportion equation
   152,937.50 : 329,309 = 329,309 : x
2. Step 2: Convert to fraction form
   152,937.50/329,309 = 329,309/x
3. Step 3: Cross multiply
   152,937.50x = 329,309 × 329,309
4. Step 4: Simplify right side
   152,937.50x = 108,444,417,481
5. Step 5: Solve for x
   x = 108,444,417,481/152,937.50
6. Step 6: Final answer
   x = 709,076.70