Finding the Third Proportional to 25,687.13 and 39,259.69

Step by Step Solution

1. Step 1: Write the proportion equation
   25,687.13 : 39,259.69 = 39,259.69 : x
2. Step 2: Convert to fraction form
   25,687.13/39,259.69 = 39,259.69/x
3. Step 3: Cross multiply
   25,687.13x = 39,259.69 × 39,259.69
4. Step 4: Simplify right side
   25,687.13x = 1,541,323,062.60
5. Step 5: Solve for x
   x = 1,541,323,062.60/25,687.13
6. Step 6: Final answer
   x = 60,003.72