Finding the Third Proportional to 9,447.10 and 14,151.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,447.10 : 14,151.43 = 14,151.43 : x
2. Step 2: Convert to fraction form
   9,447.10/14,151.43 = 14,151.43/x
3. Step 3: Cross multiply
   9,447.10x = 14,151.43 × 14,151.43
4. Step 4: Simplify right side
   9,447.10x = 200,262,906.92
5. Step 5: Solve for x
   x = 200,262,906.92/9,447.10
6. Step 6: Final answer
   x = 21,198.35