Finding the Third Proportional to 840,212 and 1,843,708

Step by Step Solution

1. Step 1: Write the proportion equation
   840,212 : 1,843,708 = 1,843,708 : x
2. Step 2: Convert to fraction form
   840,212/1,843,708 = 1,843,708/x
3. Step 3: Cross multiply
   840,212x = 1,843,708 × 1,843,708
4. Step 4: Simplify right side
   840,212x = 3,399,259,189,264
5. Step 5: Solve for x
   x = 3,399,259,189,264/840,212
6. Step 6: Final answer
   x = 4,045,716.07