Finding the Third Proportional to 71,040.50 and 106,074.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,040.50 : 106,074.50 = 106,074.50 : x
2. Step 2: Convert to fraction form
   71,040.50/106,074.50 = 106,074.50/x
3. Step 3: Cross multiply
   71,040.50x = 106,074.50 × 106,074.50
4. Step 4: Simplify right side
   71,040.50x = 11,251,799,550.25
5. Step 5: Solve for x
   x = 11,251,799,550.25/71,040.50
6. Step 6: Final answer
   x = 158,385.70