Finding the Third Proportional to 39,555.28 and 52,839.28

Step by Step Solution

1. Step 1: Write the proportion equation
   39,555.28 : 52,839.28 = 52,839.28 : x
2. Step 2: Convert to fraction form
   39,555.28/52,839.28 = 52,839.28/x
3. Step 3: Cross multiply
   39,555.28x = 52,839.28 × 52,839.28
4. Step 4: Simplify right side
   39,555.28x = 2,791,989,643.02
5. Step 5: Solve for x
   x = 2,791,989,643.02/39,555.28
6. Step 6: Final answer
   x = 70,584.50