Finding the Third Proportional to 2,792,790 and 4,270,410

Step by Step Solution

1. Step 1: Write the proportion equation
   2,792,790 : 4,270,410 = 4,270,410 : x
2. Step 2: Convert to fraction form
   2,792,790/4,270,410 = 4,270,410/x
3. Step 3: Cross multiply
   2,792,790x = 4,270,410 × 4,270,410
4. Step 4: Simplify right side
   2,792,790x = 18,236,401,568,100
5. Step 5: Solve for x
   x = 18,236,401,568,100/2,792,790
6. Step 6: Final answer
   x = 6,529,814.83