Finding the Third Proportional to 11,789 and 25,423

Step by Step Solution

1. Step 1: Write the proportion equation
   11,789 : 25,423 = 25,423 : x
2. Step 2: Convert to fraction form
   11,789/25,423 = 25,423/x
3. Step 3: Cross multiply
   11,789x = 25,423 × 25,423
4. Step 4: Simplify right side
   11,789x = 646,328,929
5. Step 5: Solve for x
   x = 646,328,929/11,789
6. Step 6: Final answer
   x = 54,824.75