Finding the Third Proportional to 8,020.50 and 11,789.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,020.50 : 11,789.25 = 11,789.25 : x
2. Step 2: Convert to fraction form
   8,020.50/11,789.25 = 11,789.25/x
3. Step 3: Cross multiply
   8,020.50x = 11,789.25 × 11,789.25
4. Step 4: Simplify right side
   8,020.50x = 138,986,415.56
5. Step 5: Solve for x
   x = 138,986,415.56/8,020.50
6. Step 6: Final answer
   x = 17,328.90