Finding the Third Proportional to 2,792,618 and 4,212,255

Step by Step Solution

1. Step 1: Write the proportion equation
   2,792,618 : 4,212,255 = 4,212,255 : x
2. Step 2: Convert to fraction form
   2,792,618/4,212,255 = 4,212,255/x
3. Step 3: Cross multiply
   2,792,618x = 4,212,255 × 4,212,255
4. Step 4: Simplify right side
   2,792,618x = 17,743,092,185,025
5. Step 5: Solve for x
   x = 17,743,092,185,025/2,792,618
6. Step 6: Final answer
   x = 6,353,569.37