Finding the Third Proportional to 43,728 and 67,308

Step by Step Solution

1. Step 1: Write the proportion equation
   43,728 : 67,308 = 67,308 : x
2. Step 2: Convert to fraction form
   43,728/67,308 = 67,308/x
3. Step 3: Cross multiply
   43,728x = 67,308 × 67,308
4. Step 4: Simplify right side
   43,728x = 4,530,366,864
5. Step 5: Solve for x
   x = 4,530,366,864/43,728
6. Step 6: Final answer
   x = 103,603.34