Finding the Third Proportional to 2,279,868 and 3,557,826

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279,868 : 3,557,826 = 3,557,826 : x
2. Step 2: Convert to fraction form
   2,279,868/3,557,826 = 3,557,826/x
3. Step 3: Cross multiply
   2,279,868x = 3,557,826 × 3,557,826
4. Step 4: Simplify right side
   2,279,868x = 12,658,125,846,276
5. Step 5: Solve for x
   x = 12,658,125,846,276/2,279,868
6. Step 6: Final answer
   x = 5,552,131.02