Finding the Third Proportional to 11,889 and 25,605

Step by Step Solution

1. Step 1: Write the proportion equation
   11,889 : 25,605 = 25,605 : x
2. Step 2: Convert to fraction form
   11,889/25,605 = 25,605/x
3. Step 3: Cross multiply
   11,889x = 25,605 × 25,605
4. Step 4: Simplify right side
   11,889x = 655,616,025
5. Step 5: Solve for x
   x = 655,616,025/11,889
6. Step 6: Final answer
   x = 55,144.76