Finding the Third Proportional to 16,728 and 35,988

Step by Step Solution

1. Step 1: Write the proportion equation
   16,728 : 35,988 = 35,988 : x
2. Step 2: Convert to fraction form
   16,728/35,988 = 35,988/x
3. Step 3: Cross multiply
   16,728x = 35,988 × 35,988
4. Step 4: Simplify right side
   16,728x = 1,295,136,144
5. Step 5: Solve for x
   x = 1,295,136,144/16,728
6. Step 6: Final answer
   x = 77,423.25