Finding the Third Proportional to 8,611.31 and 13,771.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,611.31 : 13,771.27 = 13,771.27 : x
2. Step 2: Convert to fraction form
   8,611.31/13,771.27 = 13,771.27/x
3. Step 3: Cross multiply
   8,611.31x = 13,771.27 × 13,771.27
4. Step 4: Simplify right side
   8,611.31x = 189,647,756.91
5. Step 5: Solve for x
   x = 189,647,756.91/8,611.31
6. Step 6: Final answer
   x = 22,023.10