Finding the Third Proportional to 1,143,621 and 2,439,238

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143,621 : 2,439,238 = 2,439,238 : x
2. Step 2: Convert to fraction form
   1,143,621/2,439,238 = 2,439,238/x
3. Step 3: Cross multiply
   1,143,621x = 2,439,238 × 2,439,238
4. Step 4: Simplify right side
   1,143,621x = 5,949,882,020,644
5. Step 5: Solve for x
   x = 5,949,882,020,644/1,143,621
6. Step 6: Final answer
   x = 5,202,669.43