Finding the Third Proportional to 152,591.50 and 331,452.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,591.50 : 331,452.50 = 331,452.50 : x
2. Step 2: Convert to fraction form
   152,591.50/331,452.50 = 331,452.50/x
3. Step 3: Cross multiply
   152,591.50x = 331,452.50 × 331,452.50
4. Step 4: Simplify right side
   152,591.50x = 109,860,759,756.25
5. Step 5: Solve for x
   x = 109,860,759,756.25/152,591.50
6. Step 6: Final answer
   x = 719,966.44