Finding the Third Proportional to 8,020.69 and 15,040.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,020.69 : 15,040.69 = 15,040.69 : x
2. Step 2: Convert to fraction form
   8,020.69/15,040.69 = 15,040.69/x
3. Step 3: Cross multiply
   8,020.69x = 15,040.69 × 15,040.69
4. Step 4: Simplify right side
   8,020.69x = 226,222,280.47
5. Step 5: Solve for x
   x = 226,222,280.47/8,020.69
6. Step 6: Final answer
   x = 28,204.85