Finding the Third Proportional to 152,616 and 331,500

Step by Step Solution

1. Step 1: Write the proportion equation
   152,616 : 331,500 = 331,500 : x
2. Step 2: Convert to fraction form
   152,616/331,500 = 331,500/x
3. Step 3: Cross multiply
   152,616x = 331,500 × 331,500
4. Step 4: Simplify right side
   152,616x = 109,892,250,000
5. Step 5: Solve for x
   x = 109,892,250,000/152,616
6. Step 6: Final answer
   x = 720,057.20