Finding the Third Proportional to 8,659.41 and 13,766.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,659.41 : 13,766.20 = 13,766.20 : x
2. Step 2: Convert to fraction form
   8,659.41/13,766.20 = 13,766.20/x
3. Step 3: Cross multiply
   8,659.41x = 13,766.20 × 13,766.20
4. Step 4: Simplify right side
   8,659.41x = 189,508,348.48
5. Step 5: Solve for x
   x = 189,508,348.48/8,659.41
6. Step 6: Final answer
   x = 21,884.68