Finding the Third Proportional to 9,951.19 and 21,814.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,951.19 : 21,814.31 = 21,814.31 : x
2. Step 2: Convert to fraction form
   9,951.19/21,814.31 = 21,814.31/x
3. Step 3: Cross multiply
   9,951.19x = 21,814.31 × 21,814.31
4. Step 4: Simplify right side
   9,951.19x = 475,864,229.85
5. Step 5: Solve for x
   x = 475,864,229.85/9,951.19
6. Step 6: Final answer
   x = 47,819.84