Finding the Third Proportional to 8,290 and 17,398

Step by Step Solution

1. Step 1: Write the proportion equation
   8,290 : 17,398 = 17,398 : x
2. Step 2: Convert to fraction form
   8,290/17,398 = 17,398/x
3. Step 3: Cross multiply
   8,290x = 17,398 × 17,398
4. Step 4: Simplify right side
   8,290x = 302,690,404
5. Step 5: Solve for x
   x = 302,690,404/8,290
6. Step 6: Final answer
   x = 36,512.71