Finding the Third Proportional to 9,221.75 and 20,007.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,221.75 : 20,007.25 = 20,007.25 : x
2. Step 2: Convert to fraction form
   9,221.75/20,007.25 = 20,007.25/x
3. Step 3: Cross multiply
   9,221.75x = 20,007.25 × 20,007.25
4. Step 4: Simplify right side
   9,221.75x = 400,290,052.56
5. Step 5: Solve for x
   x = 400,290,052.56/9,221.75
6. Step 6: Final answer
   x = 43,407.17