Finding the Third Proportional to 9,451.69 and 20,512.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,451.69 : 20,512.69 = 20,512.69 : x
2. Step 2: Convert to fraction form
   9,451.69/20,512.69 = 20,512.69/x
3. Step 3: Cross multiply
   9,451.69x = 20,512.69 × 20,512.69
4. Step 4: Simplify right side
   9,451.69x = 420,770,348.47
5. Step 5: Solve for x
   x = 420,770,348.47/9,451.69
6. Step 6: Final answer
   x = 44,518.01