Finding the Third Proportional to 6,178 and 12,766

Step by Step Solution

1. Step 1: Write the proportion equation
   6,178 : 12,766 = 12,766 : x
2. Step 2: Convert to fraction form
   6,178/12,766 = 12,766/x
3. Step 3: Cross multiply
   6,178x = 12,766 × 12,766
4. Step 4: Simplify right side
   6,178x = 162,970,756
5. Step 5: Solve for x
   x = 162,970,756/6,178
6. Step 6: Final answer
   x = 26,379.21