Finding the Third Proportional to 8,182.69 and 12,511.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,182.69 : 12,511.69 = 12,511.69 : x
2. Step 2: Convert to fraction form
   8,182.69/12,511.69 = 12,511.69/x
3. Step 3: Cross multiply
   8,182.69x = 12,511.69 × 12,511.69
4. Step 4: Simplify right side
   8,182.69x = 156,542,324.10
5. Step 5: Solve for x
   x = 156,542,324.10/8,182.69
6. Step 6: Final answer
   x = 19,130.92