Finding the Third Proportional to 12,460 and 20,766

Step by Step Solution

1. Step 1: Write the proportion equation
   12,460 : 20,766 = 20,766 : x
2. Step 2: Convert to fraction form
   12,460/20,766 = 20,766/x
3. Step 3: Cross multiply
   12,460x = 20,766 × 20,766
4. Step 4: Simplify right side
   12,460x = 431,226,756
5. Step 5: Solve for x
   x = 431,226,756/12,460
6. Step 6: Final answer
   x = 34,608.89