Finding the Third Proportional to 10,231.31 and 22,021.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,231.31 : 22,021.88 = 22,021.88 : x
2. Step 2: Convert to fraction form
   10,231.31/22,021.88 = 22,021.88/x
3. Step 3: Cross multiply
   10,231.31x = 22,021.88 × 22,021.88
4. Step 4: Simplify right side
   10,231.31x = 484,962,978.52
5. Step 5: Solve for x
   x = 484,962,978.52/10,231.31
6. Step 6: Final answer
   x = 47,399.88