Finding the Third Proportional to 9,451.69 and 20,103.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,451.69 : 20,103.19 = 20,103.19 : x
2. Step 2: Convert to fraction form
   9,451.69/20,103.19 = 20,103.19/x
3. Step 3: Cross multiply
   9,451.69x = 20,103.19 × 20,103.19
4. Step 4: Simplify right side
   9,451.69x = 404,138,147.66
5. Step 5: Solve for x
   x = 404,138,147.66/9,451.69
6. Step 6: Final answer
   x = 42,758.31