Finding the Third Proportional to 867,408 and 1,879,618

Step by Step Solution

1. Step 1: Write the proportion equation
   867,408 : 1,879,618 = 1,879,618 : x
2. Step 2: Convert to fraction form
   867,408/1,879,618 = 1,879,618/x
3. Step 3: Cross multiply
   867,408x = 1,879,618 × 1,879,618
4. Step 4: Simplify right side
   867,408x = 3,532,963,825,924
5. Step 5: Solve for x
   x = 3,532,963,825,924/867,408
6. Step 6: Final answer
   x = 4,073,012.73