Finding the Third Proportional to 840,257 and 1,843,786

Step by Step Solution

1. Step 1: Write the proportion equation
   840,257 : 1,843,786 = 1,843,786 : x
2. Step 2: Convert to fraction form
   840,257/1,843,786 = 1,843,786/x
3. Step 3: Cross multiply
   840,257x = 1,843,786 × 1,843,786
4. Step 4: Simplify right side
   840,257x = 3,399,546,813,796
5. Step 5: Solve for x
   x = 3,399,546,813,796/840,257
6. Step 6: Final answer
   x = 4,045,841.71