Finding the Third Proportional to 17,650 and 38,540

Step by Step Solution

1. Step 1: Write the proportion equation
   17,650 : 38,540 = 38,540 : x
2. Step 2: Convert to fraction form
   17,650/38,540 = 38,540/x
3. Step 3: Cross multiply
   17,650x = 38,540 × 38,540
4. Step 4: Simplify right side
   17,650x = 1,485,331,600
5. Step 5: Solve for x
   x = 1,485,331,600/17,650
6. Step 6: Final answer
   x = 84,154.76