Finding the Third Proportional to 1,919,264 and 4,074,686

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919,264 : 4,074,686 = 4,074,686 : x
2. Step 2: Convert to fraction form
   1,919,264/4,074,686 = 4,074,686/x
3. Step 3: Cross multiply
   1,919,264x = 4,074,686 × 4,074,686
4. Step 4: Simplify right side
   1,919,264x = 16,603,065,998,596
5. Step 5: Solve for x
   x = 16,603,065,998,596/1,919,264
6. Step 6: Final answer
   x = 8,650,746.33