Finding the Third Proportional to 13,728 and 30,150

Step by Step Solution

1. Step 1: Write the proportion equation
   13,728 : 30,150 = 30,150 : x
2. Step 2: Convert to fraction form
   13,728/30,150 = 30,150/x
3. Step 3: Cross multiply
   13,728x = 30,150 × 30,150
4. Step 4: Simplify right side
   13,728x = 909,022,500
5. Step 5: Solve for x
   x = 909,022,500/13,728
6. Step 6: Final answer
   x = 66,216.67