Finding the Third Proportional to 2,864,608 and 4,142,728

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864,608 : 4,142,728 = 4,142,728 : x
2. Step 2: Convert to fraction form
   2,864,608/4,142,728 = 4,142,728/x
3. Step 3: Cross multiply
   2,864,608x = 4,142,728 × 4,142,728
4. Step 4: Simplify right side
   2,864,608x = 17,162,195,281,984
5. Step 5: Solve for x
   x = 17,162,195,281,984/2,864,608
6. Step 6: Final answer
   x = 5,991,114.76