Finding the Third Proportional to 9,215.25 and 20,022.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,215.25 : 20,022.75 = 20,022.75 : x
2. Step 2: Convert to fraction form
   9,215.25/20,022.75 = 20,022.75/x
3. Step 3: Cross multiply
   9,215.25x = 20,022.75 × 20,022.75
4. Step 4: Simplify right side
   9,215.25x = 400,910,517.56
5. Step 5: Solve for x
   x = 400,910,517.56/9,215.25
6. Step 6: Final answer
   x = 43,505.12