Finding the Third Proportional to 39,642.75 and 52,849.13

Step by Step Solution

1. Step 1: Write the proportion equation
   39,642.75 : 52,849.13 = 52,849.13 : x
2. Step 2: Convert to fraction form
   39,642.75/52,849.13 = 52,849.13/x
3. Step 3: Cross multiply
   39,642.75x = 52,849.13 × 52,849.13
4. Step 4: Simplify right side
   39,642.75x = 2,793,030,013.27
5. Step 5: Solve for x
   x = 2,793,030,013.27/39,642.75
6. Step 6: Final answer
   x = 70,455.00