Finding the Third Proportional to 100,831.50 and 159,435

Step by Step Solution

1. Step 1: Write the proportion equation
   100,831.50 : 159,435 = 159,435 : x
2. Step 2: Convert to fraction form
   100,831.50/159,435 = 159,435/x
3. Step 3: Cross multiply
   100,831.50x = 159,435 × 159,435
4. Step 4: Simplify right side
   100,831.50x = 25,419,519,225
5. Step 5: Solve for x
   x = 25,419,519,225/100,831.50
6. Step 6: Final answer
   x = 252,098.99