Finding the Third Proportional to 8,112 and 17,816

Step by Step Solution

1. Step 1: Write the proportion equation
   8,112 : 17,816 = 17,816 : x
2. Step 2: Convert to fraction form
   8,112/17,816 = 17,816/x
3. Step 3: Cross multiply
   8,112x = 17,816 × 17,816
4. Step 4: Simplify right side
   8,112x = 317,409,856
5. Step 5: Solve for x
   x = 317,409,856/8,112
6. Step 6: Final answer
   x = 39,128.43