Finding the Third Proportional to 152,965.50 and 328,073.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,965.50 : 328,073.50 = 328,073.50 : x
2. Step 2: Convert to fraction form
   152,965.50/328,073.50 = 328,073.50/x
3. Step 3: Cross multiply
   152,965.50x = 328,073.50 × 328,073.50
4. Step 4: Simplify right side
   152,965.50x = 107,632,221,402.25
5. Step 5: Solve for x
   x = 107,632,221,402.25/152,965.50
6. Step 6: Final answer
   x = 703,637.23