Finding the Third Proportional to 151,558.50 and 252,585

Step by Step Solution

1. Step 1: Write the proportion equation
   151,558.50 : 252,585 = 252,585 : x
2. Step 2: Convert to fraction form
   151,558.50/252,585 = 252,585/x
3. Step 3: Cross multiply
   151,558.50x = 252,585 × 252,585
4. Step 4: Simplify right side
   151,558.50x = 63,799,182,225
5. Step 5: Solve for x
   x = 63,799,182,225/151,558.50
6. Step 6: Final answer
   x = 420,954.17