Finding the Third Proportional to 8,892.38 and 13,315.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,892.38 : 13,315.31 = 13,315.31 : x
2. Step 2: Convert to fraction form
   8,892.38/13,315.31 = 13,315.31/x
3. Step 3: Cross multiply
   8,892.38x = 13,315.31 × 13,315.31
4. Step 4: Simplify right side
   8,892.38x = 177,297,546.97
5. Step 5: Solve for x
   x = 177,297,546.97/8,892.38
6. Step 6: Final answer
   x = 19,938.15