Finding the Third Proportional to 16,512 and 17,988

Step by Step Solution

1. Step 1: Write the proportion equation
   16,512 : 17,988 = 17,988 : x
2. Step 2: Convert to fraction form
   16,512/17,988 = 17,988/x
3. Step 3: Cross multiply
   16,512x = 17,988 × 17,988
4. Step 4: Simplify right side
   16,512x = 323,568,144
5. Step 5: Solve for x
   x = 323,568,144/16,512
6. Step 6: Final answer
   x = 19,595.94