Finding the Third Proportional to 840,278 and 1,843,828

Step by Step Solution

1. Step 1: Write the proportion equation
   840,278 : 1,843,828 = 1,843,828 : x
2. Step 2: Convert to fraction form
   840,278/1,843,828 = 1,843,828/x
3. Step 3: Cross multiply
   840,278x = 1,843,828 × 1,843,828
4. Step 4: Simplify right side
   840,278x = 3,399,701,693,584
5. Step 5: Solve for x
   x = 3,399,701,693,584/840,278
6. Step 6: Final answer
   x = 4,045,924.91