Finding the Third Proportional to 1,018,672 and 2,120,874

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,672 : 2,120,874 = 2,120,874 : x
2. Step 2: Convert to fraction form
   1,018,672/2,120,874 = 2,120,874/x
3. Step 3: Cross multiply
   1,018,672x = 2,120,874 × 2,120,874
4. Step 4: Simplify right side
   1,018,672x = 4,498,106,523,876
5. Step 5: Solve for x
   x = 4,498,106,523,876/1,018,672
6. Step 6: Final answer
   x = 4,415,657.37