Finding the Third Proportional to 8,550.56 and 13,089.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,550.56 : 13,089.09 = 13,089.09 : x
2. Step 2: Convert to fraction form
   8,550.56/13,089.09 = 13,089.09/x
3. Step 3: Cross multiply
   8,550.56x = 13,089.09 × 13,089.09
4. Step 4: Simplify right side
   8,550.56x = 171,324,375.20
5. Step 5: Solve for x
   x = 171,324,375.20/8,550.56
6. Step 6: Final answer
   x = 20,036.62