Finding the Third Proportional to 1,262,830 and 2,245,166

Step by Step Solution

1. Step 1: Write the proportion equation
   1,262,830 : 2,245,166 = 2,245,166 : x
2. Step 2: Convert to fraction form
   1,262,830/2,245,166 = 2,245,166/x
3. Step 3: Cross multiply
   1,262,830x = 2,245,166 × 2,245,166
4. Step 4: Simplify right side
   1,262,830x = 5,040,770,367,556
5. Step 5: Solve for x
   x = 5,040,770,367,556/1,262,830
6. Step 6: Final answer
   x = 3,991,646.04