Finding the Third Proportional to 1,384,778 and 2,879,630

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384,778 : 2,879,630 = 2,879,630 : x
2. Step 2: Convert to fraction form
   1,384,778/2,879,630 = 2,879,630/x
3. Step 3: Cross multiply
   1,384,778x = 2,879,630 × 2,879,630
4. Step 4: Simplify right side
   1,384,778x = 8,292,268,936,900
5. Step 5: Solve for x
   x = 8,292,268,936,900/1,384,778
6. Step 6: Final answer
   x = 5,988,157.62