Finding the Third Proportional to 825,618 and 1,818,843

Step by Step Solution

1. Step 1: Write the proportion equation
   825,618 : 1,818,843 = 1,818,843 : x
2. Step 2: Convert to fraction form
   825,618/1,818,843 = 1,818,843/x
3. Step 3: Cross multiply
   825,618x = 1,818,843 × 1,818,843
4. Step 4: Simplify right side
   825,618x = 3,308,189,858,649
5. Step 5: Solve for x
   x = 3,308,189,858,649/825,618
6. Step 6: Final answer
   x = 4,006,925.55