Finding the Third Proportional to 1,445,883 and 3,140,666

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,883 : 3,140,666 = 3,140,666 : x
2. Step 2: Convert to fraction form
   1,445,883/3,140,666 = 3,140,666/x
3. Step 3: Cross multiply
   1,445,883x = 3,140,666 × 3,140,666
4. Step 4: Simplify right side
   1,445,883x = 9,863,782,923,556
5. Step 5: Solve for x
   x = 9,863,782,923,556/1,445,883
6. Step 6: Final answer
   x = 6,821,978.63