Finding the Third Proportional to 8,043 and 12,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,043 : 12,124.50 = 12,124.50 : x
2. Step 2: Convert to fraction form
   8,043/12,124.50 = 12,124.50/x
3. Step 3: Cross multiply
   8,043x = 12,124.50 × 12,124.50
4. Step 4: Simplify right side
   8,043x = 147,003,500.25
5. Step 5: Solve for x
   x = 147,003,500.25/8,043
6. Step 6: Final answer
   x = 18,277.20