Finding the Third Proportional to 10,605 and 16,789

Step by Step Solution

1. Step 1: Write the proportion equation
   10,605 : 16,789 = 16,789 : x
2. Step 2: Convert to fraction form
   10,605/16,789 = 16,789/x
3. Step 3: Cross multiply
   10,605x = 16,789 × 16,789
4. Step 4: Simplify right side
   10,605x = 281,870,521
5. Step 5: Solve for x
   x = 281,870,521/10,605
6. Step 6: Final answer
   x = 26,579.02