Finding the Third Proportional to 39,559.50 and 70,350.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,559.50 : 70,350.75 = 70,350.75 : x
2. Step 2: Convert to fraction form
   39,559.50/70,350.75 = 70,350.75/x
3. Step 3: Cross multiply
   39,559.50x = 70,350.75 × 70,350.75
4. Step 4: Simplify right side
   39,559.50x = 4,949,228,025.56
5. Step 5: Solve for x
   x = 4,949,228,025.56/39,559.50
6. Step 6: Final answer
   x = 125,108.46