Finding the Third Proportional to 2,665,228 and 4,122,420

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,228 : 4,122,420 = 4,122,420 : x
2. Step 2: Convert to fraction form
   2,665,228/4,122,420 = 4,122,420/x
3. Step 3: Cross multiply
   2,665,228x = 4,122,420 × 4,122,420
4. Step 4: Simplify right side
   2,665,228x = 16,994,346,656,400
5. Step 5: Solve for x
   x = 16,994,346,656,400/2,665,228
6. Step 6: Final answer
   x = 6,376,320.02