Finding the Third Proportional to 1,445,874 and 3,140,649

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,874 : 3,140,649 = 3,140,649 : x
2. Step 2: Convert to fraction form
   1,445,874/3,140,649 = 3,140,649/x
3. Step 3: Cross multiply
   1,445,874x = 3,140,649 × 3,140,649
4. Step 4: Simplify right side
   1,445,874x = 9,863,676,141,201
5. Step 5: Solve for x
   x = 9,863,676,141,201/1,445,874
6. Step 6: Final answer
   x = 6,821,947.24