Finding the Third Proportional to 152,007.50 and 329,973.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,007.50 : 329,973.50 = 329,973.50 : x
2. Step 2: Convert to fraction form
   152,007.50/329,973.50 = 329,973.50/x
3. Step 3: Cross multiply
   152,007.50x = 329,973.50 × 329,973.50
4. Step 4: Simplify right side
   152,007.50x = 108,882,510,702.25
5. Step 5: Solve for x
   x = 108,882,510,702.25/152,007.50
6. Step 6: Final answer
   x = 716,296.96