Finding the Third Proportional to 39,555.75 and 52,839.38

Step by Step Solution

1. Step 1: Write the proportion equation
   39,555.75 : 52,839.38 = 52,839.38 : x
2. Step 2: Convert to fraction form
   39,555.75/52,839.38 = 52,839.38/x
3. Step 3: Cross multiply
   39,555.75x = 52,839.38 × 52,839.38
4. Step 4: Simplify right side
   39,555.75x = 2,791,999,550.39
5. Step 5: Solve for x
   x = 2,791,999,550.39/39,555.75
6. Step 6: Final answer
   x = 70,583.91