Finding the Third Proportional to 3,969 and 9,036.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,969 : 9,036.56 = 9,036.56 : x
2. Step 2: Convert to fraction form
   3,969/9,036.56 = 9,036.56/x
3. Step 3: Cross multiply
   3,969x = 9,036.56 × 9,036.56
4. Step 4: Simplify right side
   3,969x = 81,659,461.82
5. Step 5: Solve for x
   x = 81,659,461.82/3,969
6. Step 6: Final answer
   x = 20,574.32