Finding the Third Proportional to 2,128,434 and 3,304,571

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,434 : 3,304,571 = 3,304,571 : x
2. Step 2: Convert to fraction form
   2,128,434/3,304,571 = 3,304,571/x
3. Step 3: Cross multiply
   2,128,434x = 3,304,571 × 3,304,571
4. Step 4: Simplify right side
   2,128,434x = 10,920,189,494,041
5. Step 5: Solve for x
   x = 10,920,189,494,041/2,128,434
6. Step 6: Final answer
   x = 5,130,621.62