Finding the Third Proportional to 12,342 and 25,143

Step by Step Solution

1. Step 1: Write the proportion equation
   12,342 : 25,143 = 25,143 : x
2. Step 2: Convert to fraction form
   12,342/25,143 = 25,143/x
3. Step 3: Cross multiply
   12,342x = 25,143 × 25,143
4. Step 4: Simplify right side
   12,342x = 632,170,449
5. Step 5: Solve for x
   x = 632,170,449/12,342
6. Step 6: Final answer
   x = 51,221.07