Finding the Third Proportional to 9,351.28 and 20,375.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,351.28 : 20,375.72 = 20,375.72 : x
2. Step 2: Convert to fraction form
   9,351.28/20,375.72 = 20,375.72/x
3. Step 3: Cross multiply
   9,351.28x = 20,375.72 × 20,375.72
4. Step 4: Simplify right side
   9,351.28x = 415,169,914.58
5. Step 5: Solve for x
   x = 415,169,914.58/9,351.28
6. Step 6: Final answer
   x = 44,397.12