Finding the Third Proportional to 10,879.31 and 24,421.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,879.31 : 24,421.50 = 24,421.50 : x
2. Step 2: Convert to fraction form
   10,879.31/24,421.50 = 24,421.50/x
3. Step 3: Cross multiply
   10,879.31x = 24,421.50 × 24,421.50
4. Step 4: Simplify right side
   10,879.31x = 596,409,662.25
5. Step 5: Solve for x
   x = 596,409,662.25/10,879.31
6. Step 6: Final answer
   x = 54,820.53