Finding the Third Proportional to 8,117.72 and 16,873.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,117.72 : 16,873.31 = 16,873.31 : x
2. Step 2: Convert to fraction form
   8,117.72/16,873.31 = 16,873.31/x
3. Step 3: Cross multiply
   8,117.72x = 16,873.31 × 16,873.31
4. Step 4: Simplify right side
   8,117.72x = 284,708,674.72
5. Step 5: Solve for x
   x = 284,708,674.72/8,117.72
6. Step 6: Final answer
   x = 35,072.50