Finding the Third Proportional to 59,418 and 126,540

Step by Step Solution

1. Step 1: Write the proportion equation
   59,418 : 126,540 = 126,540 : x
2. Step 2: Convert to fraction form
   59,418/126,540 = 126,540/x
3. Step 3: Cross multiply
   59,418x = 126,540 × 126,540
4. Step 4: Simplify right side
   59,418x = 16,012,371,600
5. Step 5: Solve for x
   x = 16,012,371,600/59,418
6. Step 6: Final answer
   x = 269,486.88