Finding the Third Proportional to 8,662 and 13,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,662 : 13,499.50 = 13,499.50 : x
2. Step 2: Convert to fraction form
   8,662/13,499.50 = 13,499.50/x
3. Step 3: Cross multiply
   8,662x = 13,499.50 × 13,499.50
4. Step 4: Simplify right side
   8,662x = 182,236,500.25
5. Step 5: Solve for x
   x = 182,236,500.25/8,662
6. Step 6: Final answer
   x = 21,038.62