Finding the Third Proportional to 8,662 and 13,103

Step by Step Solution

1. Step 1: Write the proportion equation
   8,662 : 13,103 = 13,103 : x
2. Step 2: Convert to fraction form
   8,662/13,103 = 13,103/x
3. Step 3: Cross multiply
   8,662x = 13,103 × 13,103
4. Step 4: Simplify right side
   8,662x = 171,688,609
5. Step 5: Solve for x
   x = 171,688,609/8,662
6. Step 6: Final answer
   x = 19,820.90