Finding the Third Proportional to 2,128,432 and 3,304,568

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,432 : 3,304,568 = 3,304,568 : x
2. Step 2: Convert to fraction form
   2,128,432/3,304,568 = 3,304,568/x
3. Step 3: Cross multiply
   2,128,432x = 3,304,568 × 3,304,568
4. Step 4: Simplify right side
   2,128,432x = 10,920,169,666,624
5. Step 5: Solve for x
   x = 10,920,169,666,624/2,128,432
6. Step 6: Final answer
   x = 5,130,617.12