Finding the Third Proportional to 10,421.44 and 22,819.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,421.44 : 22,819.31 = 22,819.31 : x
2. Step 2: Convert to fraction form
   10,421.44/22,819.31 = 22,819.31/x
3. Step 3: Cross multiply
   10,421.44x = 22,819.31 × 22,819.31
4. Step 4: Simplify right side
   10,421.44x = 520,721,022.97
5. Step 5: Solve for x
   x = 520,721,022.97/10,421.44
6. Step 6: Final answer
   x = 49,966.33