Finding the Third Proportional to 12,144 and 26,422

Step by Step Solution

1. Step 1: Write the proportion equation
   12,144 : 26,422 = 26,422 : x
2. Step 2: Convert to fraction form
   12,144/26,422 = 26,422/x
3. Step 3: Cross multiply
   12,144x = 26,422 × 26,422
4. Step 4: Simplify right side
   12,144x = 698,122,084
5. Step 5: Solve for x
   x = 698,122,084/12,144
6. Step 6: Final answer
   x = 57,487.00