Finding the Third Proportional to 151,600.50 and 252,645

Step by Step Solution

1. Step 1: Write the proportion equation
   151,600.50 : 252,645 = 252,645 : x
2. Step 2: Convert to fraction form
   151,600.50/252,645 = 252,645/x
3. Step 3: Cross multiply
   151,600.50x = 252,645 × 252,645
4. Step 4: Simplify right side
   151,600.50x = 63,829,496,025
5. Step 5: Solve for x
   x = 63,829,496,025/151,600.50
6. Step 6: Final answer
   x = 421,037.50