Finding the Third Proportional to 2,078,434 and 4,466,288

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078,434 : 4,466,288 = 4,466,288 : x
2. Step 2: Convert to fraction form
   2,078,434/4,466,288 = 4,466,288/x
3. Step 3: Cross multiply
   2,078,434x = 4,466,288 × 4,466,288
4. Step 4: Simplify right side
   2,078,434x = 19,947,728,498,944
5. Step 5: Solve for x
   x = 19,947,728,498,944/2,078,434
6. Step 6: Final answer
   x = 9,597,479.88