Finding the Third Proportional to 12,748 and 15,500

Step by Step Solution

1. Step 1: Write the proportion equation
   12,748 : 15,500 = 15,500 : x
2. Step 2: Convert to fraction form
   12,748/15,500 = 15,500/x
3. Step 3: Cross multiply
   12,748x = 15,500 × 15,500
4. Step 4: Simplify right side
   12,748x = 240,250,000
5. Step 5: Solve for x
   x = 240,250,000/12,748
6. Step 6: Final answer
   x = 18,846.09