Finding the Third Proportional to 158,787 and 252,760.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,787 : 252,760.50 = 252,760.50 : x
2. Step 2: Convert to fraction form
   158,787/252,760.50 = 252,760.50/x
3. Step 3: Cross multiply
   158,787x = 252,760.50 × 252,760.50
4. Step 4: Simplify right side
   158,787x = 63,887,870,360.25
5. Step 5: Solve for x
   x = 63,887,870,360.25/158,787
6. Step 6: Final answer
   x = 402,349.50