Finding the Third Proportional to 840,120 and 1,843,542

Step by Step Solution

1. Step 1: Write the proportion equation
   840,120 : 1,843,542 = 1,843,542 : x
2. Step 2: Convert to fraction form
   840,120/1,843,542 = 1,843,542/x
3. Step 3: Cross multiply
   840,120x = 1,843,542 × 1,843,542
4. Step 4: Simplify right side
   840,120x = 3,398,647,105,764
5. Step 5: Solve for x
   x = 3,398,647,105,764/840,120
6. Step 6: Final answer
   x = 4,045,430.54