Finding the Third Proportional to 2,800,176 and 4,225,920

Step by Step Solution

1. Step 1: Write the proportion equation
   2,800,176 : 4,225,920 = 4,225,920 : x
2. Step 2: Convert to fraction form
   2,800,176/4,225,920 = 4,225,920/x
3. Step 3: Cross multiply
   2,800,176x = 4,225,920 × 4,225,920
4. Step 4: Simplify right side
   2,800,176x = 17,858,399,846,400
5. Step 5: Solve for x
   x = 17,858,399,846,400/2,800,176
6. Step 6: Final answer
   x = 6,377,599.07