Finding the Third Proportional to 6,462 and 10,989

Step by Step Solution

1. Step 1: Write the proportion equation
   6,462 : 10,989 = 10,989 : x
2. Step 2: Convert to fraction form
   6,462/10,989 = 10,989/x
3. Step 3: Cross multiply
   6,462x = 10,989 × 10,989
4. Step 4: Simplify right side
   6,462x = 120,758,121
5. Step 5: Solve for x
   x = 120,758,121/6,462
6. Step 6: Final answer
   x = 18,687.42