Finding the Third Proportional to 11,029.50 and 12,163.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,029.50 : 12,163.50 = 12,163.50 : x
2. Step 2: Convert to fraction form
   11,029.50/12,163.50 = 12,163.50/x
3. Step 3: Cross multiply
   11,029.50x = 12,163.50 × 12,163.50
4. Step 4: Simplify right side
   11,029.50x = 147,950,732.25
5. Step 5: Solve for x
   x = 147,950,732.25/11,029.50
6. Step 6: Final answer
   x = 13,414.09