Finding the Third Proportional to 1,445,890 and 3,140,682

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,890 : 3,140,682 = 3,140,682 : x
2. Step 2: Convert to fraction form
   1,445,890/3,140,682 = 3,140,682/x
3. Step 3: Cross multiply
   1,445,890x = 3,140,682 × 3,140,682
4. Step 4: Simplify right side
   1,445,890x = 9,863,883,425,124
5. Step 5: Solve for x
   x = 9,863,883,425,124/1,445,890
6. Step 6: Final answer
   x = 6,822,015.11