Finding the Third Proportional to 152,552.50 and 328,063.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,552.50 : 328,063.50 = 328,063.50 : x
2. Step 2: Convert to fraction form
   152,552.50/328,063.50 = 328,063.50/x
3. Step 3: Cross multiply
   152,552.50x = 328,063.50 × 328,063.50
4. Step 4: Simplify right side
   152,552.50x = 107,625,660,032.25
5. Step 5: Solve for x
   x = 107,625,660,032.25/152,552.50
6. Step 6: Final answer
   x = 705,499.16