Finding the Third Proportional to 12,500 and 18,951

Step by Step Solution

1. Step 1: Write the proportion equation
   12,500 : 18,951 = 18,951 : x
2. Step 2: Convert to fraction form
   12,500/18,951 = 18,951/x
3. Step 3: Cross multiply
   12,500x = 18,951 × 18,951
4. Step 4: Simplify right side
   12,500x = 359,140,401
5. Step 5: Solve for x
   x = 359,140,401/12,500
6. Step 6: Final answer
   x = 28,731.23