Finding the Third Proportional to 8,158.50 and 10,671

Step by Step Solution

1. Step 1: Write the proportion equation
   8,158.50 : 10,671 = 10,671 : x
2. Step 2: Convert to fraction form
   8,158.50/10,671 = 10,671/x
3. Step 3: Cross multiply
   8,158.50x = 10,671 × 10,671
4. Step 4: Simplify right side
   8,158.50x = 113,870,241
5. Step 5: Solve for x
   x = 113,870,241/8,158.50
6. Step 6: Final answer
   x = 13,957.25