Finding the Third Proportional to 8,494.88 and 18,354.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,494.88 : 18,354.09 = 18,354.09 : x
2. Step 2: Convert to fraction form
   8,494.88/18,354.09 = 18,354.09/x
3. Step 3: Cross multiply
   8,494.88x = 18,354.09 × 18,354.09
4. Step 4: Simplify right side
   8,494.88x = 336,872,757.38
5. Step 5: Solve for x
   x = 336,872,757.38/8,494.88
6. Step 6: Final answer
   x = 39,656.00