Finding the Third Proportional to 2,747,643 and 4,203,057

Step by Step Solution

1. Step 1: Write the proportion equation
   2,747,643 : 4,203,057 = 4,203,057 : x
2. Step 2: Convert to fraction form
   2,747,643/4,203,057 = 4,203,057/x
3. Step 3: Cross multiply
   2,747,643x = 4,203,057 × 4,203,057
4. Step 4: Simplify right side
   2,747,643x = 17,665,688,145,249
5. Step 5: Solve for x
   x = 17,665,688,145,249/2,747,643
6. Step 6: Final answer
   x = 6,429,397.18