Finding the Third Proportional to 12,180 and 17,422

Step by Step Solution

1. Step 1: Write the proportion equation
   12,180 : 17,422 = 17,422 : x
2. Step 2: Convert to fraction form
   12,180/17,422 = 17,422/x
3. Step 3: Cross multiply
   12,180x = 17,422 × 17,422
4. Step 4: Simplify right side
   12,180x = 303,526,084
5. Step 5: Solve for x
   x = 303,526,084/12,180
6. Step 6: Final answer
   x = 24,920.04