Finding the Third Proportional to 2,143,788 and 3,412,482

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,788 : 3,412,482 = 3,412,482 : x
2. Step 2: Convert to fraction form
   2,143,788/3,412,482 = 3,412,482/x
3. Step 3: Cross multiply
   2,143,788x = 3,412,482 × 3,412,482
4. Step 4: Simplify right side
   2,143,788x = 11,645,033,400,324
5. Step 5: Solve for x
   x = 11,645,033,400,324/2,143,788
6. Step 6: Final answer
   x = 5,431,989.26