Finding the Third Proportional to 16,072 and 18,988

Step by Step Solution

1. Step 1: Write the proportion equation
   16,072 : 18,988 = 18,988 : x
2. Step 2: Convert to fraction form
   16,072/18,988 = 18,988/x
3. Step 3: Cross multiply
   16,072x = 18,988 × 18,988
4. Step 4: Simplify right side
   16,072x = 360,544,144
5. Step 5: Solve for x
   x = 360,544,144/16,072
6. Step 6: Final answer
   x = 22,433.06