Finding the Third Proportional to 1,143,912 and 2,439,820

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143,912 : 2,439,820 = 2,439,820 : x
2. Step 2: Convert to fraction form
   1,143,912/2,439,820 = 2,439,820/x
3. Step 3: Cross multiply
   1,143,912x = 2,439,820 × 2,439,820
4. Step 4: Simplify right side
   1,143,912x = 5,952,721,632,400
5. Step 5: Solve for x
   x = 5,952,721,632,400/1,143,912
6. Step 6: Final answer
   x = 5,203,828.29