Finding the Third Proportional to 71,113.50 and 153,434.25

Step by Step Solution

1. Step 1: Write the proportion equation
   71,113.50 : 153,434.25 = 153,434.25 : x
2. Step 2: Convert to fraction form
   71,113.50/153,434.25 = 153,434.25/x
3. Step 3: Cross multiply
   71,113.50x = 153,434.25 × 153,434.25
4. Step 4: Simplify right side
   71,113.50x = 23,542,069,073.06
5. Step 5: Solve for x
   x = 23,542,069,073.06/71,113.50
6. Step 6: Final answer
   x = 331,049.23