Finding the Third Proportional to 39,687.75 and 52,908.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,687.75 : 52,908.75 = 52,908.75 : x
2. Step 2: Convert to fraction form
   39,687.75/52,908.75 = 52,908.75/x
3. Step 3: Cross multiply
   39,687.75x = 52,908.75 × 52,908.75
4. Step 4: Simplify right side
   39,687.75x = 2,799,335,826.56
5. Step 5: Solve for x
   x = 2,799,335,826.56/39,687.75
6. Step 6: Final answer
   x = 70,534.00