Finding the Third Proportional to 12,951 and 20,601

Step by Step Solution

1. Step 1: Write the proportion equation
   12,951 : 20,601 = 20,601 : x
2. Step 2: Convert to fraction form
   12,951/20,601 = 20,601/x
3. Step 3: Cross multiply
   12,951x = 20,601 × 20,601
4. Step 4: Simplify right side
   12,951x = 424,401,201
5. Step 5: Solve for x
   x = 424,401,201/12,951
6. Step 6: Final answer
   x = 32,769.76