Finding the Third Proportional to 8,109 and 15,945

Step by Step Solution

1. Step 1: Write the proportion equation
   8,109 : 15,945 = 15,945 : x
2. Step 2: Convert to fraction form
   8,109/15,945 = 15,945/x
3. Step 3: Cross multiply
   8,109x = 15,945 × 15,945
4. Step 4: Simplify right side
   8,109x = 254,243,025
5. Step 5: Solve for x
   x = 254,243,025/8,109
6. Step 6: Final answer
   x = 31,353.19