Finding the Third Proportional to 25,662 and 39,405

Step by Step Solution

1. Step 1: Write the proportion equation
   25,662 : 39,405 = 39,405 : x
2. Step 2: Convert to fraction form
   25,662/39,405 = 39,405/x
3. Step 3: Cross multiply
   25,662x = 39,405 × 39,405
4. Step 4: Simplify right side
   25,662x = 1,552,754,025
5. Step 5: Solve for x
   x = 1,552,754,025/25,662
6. Step 6: Final answer
   x = 60,507.91