Finding the Third Proportional to 8,317 and 13,167.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,317 : 13,167.50 = 13,167.50 : x
2. Step 2: Convert to fraction form
   8,317/13,167.50 = 13,167.50/x
3. Step 3: Cross multiply
   8,317x = 13,167.50 × 13,167.50
4. Step 4: Simplify right side
   8,317x = 173,383,056.25
5. Step 5: Solve for x
   x = 173,383,056.25/8,317
6. Step 6: Final answer
   x = 20,846.83