Finding the Third Proportional to 8,498.25 and 18,456.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,498.25 : 18,456.38 = 18,456.38 : x
2. Step 2: Convert to fraction form
   8,498.25/18,456.38 = 18,456.38/x
3. Step 3: Cross multiply
   8,498.25x = 18,456.38 × 18,456.38
4. Step 4: Simplify right side
   8,498.25x = 340,637,778.14
5. Step 5: Solve for x
   x = 340,637,778.14/8,498.25
6. Step 6: Final answer
   x = 40,083.29