Finding the Third Proportional to 11,996 and 18,418

Step by Step Solution

1. Step 1: Write the proportion equation
   11,996 : 18,418 = 18,418 : x
2. Step 2: Convert to fraction form
   11,996/18,418 = 18,418/x
3. Step 3: Cross multiply
   11,996x = 18,418 × 18,418
4. Step 4: Simplify right side
   11,996x = 339,222,724
5. Step 5: Solve for x
   x = 339,222,724/11,996
6. Step 6: Final answer
   x = 28,277.99