Finding the Third Proportional to 71,257.50 and 153,814.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,257.50 : 153,814.50 = 153,814.50 : x
2. Step 2: Convert to fraction form
   71,257.50/153,814.50 = 153,814.50/x
3. Step 3: Cross multiply
   71,257.50x = 153,814.50 × 153,814.50
4. Step 4: Simplify right side
   71,257.50x = 23,658,900,410.25
5. Step 5: Solve for x
   x = 23,658,900,410.25/71,257.50
6. Step 6: Final answer
   x = 332,019.79