Finding the Third Proportional to 5,929.31 and 12,511.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,929.31 : 12,511.69 = 12,511.69 : x
2. Step 2: Convert to fraction form
   5,929.31/12,511.69 = 12,511.69/x
3. Step 3: Cross multiply
   5,929.31x = 12,511.69 × 12,511.69
4. Step 4: Simplify right side
   5,929.31x = 156,542,324.10
5. Step 5: Solve for x
   x = 156,542,324.10/5,929.31
6. Step 6: Final answer
   x = 26,401.43