Finding the Third Proportional to 8,558 and 17,540

Step by Step Solution

1. Step 1: Write the proportion equation
   8,558 : 17,540 = 17,540 : x
2. Step 2: Convert to fraction form
   8,558/17,540 = 17,540/x
3. Step 3: Cross multiply
   8,558x = 17,540 × 17,540
4. Step 4: Simplify right side
   8,558x = 307,651,600
5. Step 5: Solve for x
   x = 307,651,600/8,558
6. Step 6: Final answer
   x = 35,949.01