Finding the Third Proportional to 2,143,792 and 3,412,488

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,792 : 3,412,488 = 3,412,488 : x
2. Step 2: Convert to fraction form
   2,143,792/3,412,488 = 3,412,488/x
3. Step 3: Cross multiply
   2,143,792x = 3,412,488 × 3,412,488
4. Step 4: Simplify right side
   2,143,792x = 11,645,074,350,144
5. Step 5: Solve for x
   x = 11,645,074,350,144/2,143,792
6. Step 6: Final answer
   x = 5,431,998.23