Finding the Third Proportional to 8,443.31 and 18,195.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443.31 : 18,195.38 = 18,195.38 : x
2. Step 2: Convert to fraction form
   8,443.31/18,195.38 = 18,195.38/x
3. Step 3: Cross multiply
   8,443.31x = 18,195.38 × 18,195.38
4. Step 4: Simplify right side
   8,443.31x = 331,071,671.39
5. Step 5: Solve for x
   x = 331,071,671.39/8,443.31
6. Step 6: Final answer
   x = 39,211.11