Finding the Third Proportional to 5,443.50 and 12,495

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.50 : 12,495 = 12,495 : x
2. Step 2: Convert to fraction form
   5,443.50/12,495 = 12,495/x
3. Step 3: Cross multiply
   5,443.50x = 12,495 × 12,495
4. Step 4: Simplify right side
   5,443.50x = 156,125,025
5. Step 5: Solve for x
   x = 156,125,025/5,443.50
6. Step 6: Final answer
   x = 28,681.00