Finding the Third Proportional to 49,612 and 70,728

Step by Step Solution

1. Step 1: Write the proportion equation
   49,612 : 70,728 = 70,728 : x
2. Step 2: Convert to fraction form
   49,612/70,728 = 70,728/x
3. Step 3: Cross multiply
   49,612x = 70,728 × 70,728
4. Step 4: Simplify right side
   49,612x = 5,002,449,984
5. Step 5: Solve for x
   x = 5,002,449,984/49,612
6. Step 6: Final answer
   x = 100,831.45