Finding the Third Proportional to 152,708.25 and 329,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,708.25 : 329,080.50 = 329,080.50 : x
2. Step 2: Convert to fraction form
   152,708.25/329,080.50 = 329,080.50/x
3. Step 3: Cross multiply
   152,708.25x = 329,080.50 × 329,080.50
4. Step 4: Simplify right side
   152,708.25x = 108,293,975,480.25
5. Step 5: Solve for x
   x = 108,293,975,480.25/152,708.25
6. Step 6: Final answer
   x = 709,156.02