Finding the Third Proportional to 11,877 and 25,401

Step by Step Solution

1. Step 1: Write the proportion equation
   11,877 : 25,401 = 25,401 : x
2. Step 2: Convert to fraction form
   11,877/25,401 = 25,401/x
3. Step 3: Cross multiply
   11,877x = 25,401 × 25,401
4. Step 4: Simplify right side
   11,877x = 645,210,801
5. Step 5: Solve for x
   x = 645,210,801/11,877
6. Step 6: Final answer
   x = 54,324.39