Finding the Third Proportional to 1,018,596 and 2,120,868

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,596 : 2,120,868 = 2,120,868 : x
2. Step 2: Convert to fraction form
   1,018,596/2,120,868 = 2,120,868/x
3. Step 3: Cross multiply
   1,018,596x = 2,120,868 × 2,120,868
4. Step 4: Simplify right side
   1,018,596x = 4,498,081,073,424
5. Step 5: Solve for x
   x = 4,498,081,073,424/1,018,596
6. Step 6: Final answer
   x = 4,415,961.85