Finding the Third Proportional to 11,790 and 25,422

Step by Step Solution

1. Step 1: Write the proportion equation
   11,790 : 25,422 = 25,422 : x
2. Step 2: Convert to fraction form
   11,790/25,422 = 25,422/x
3. Step 3: Cross multiply
   11,790x = 25,422 × 25,422
4. Step 4: Simplify right side
   11,790x = 646,278,084
5. Step 5: Solve for x
   x = 646,278,084/11,790
6. Step 6: Final answer
   x = 54,815.78