Finding the Third Proportional to 1,976,883 and 4,338,678

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976,883 : 4,338,678 = 4,338,678 : x
2. Step 2: Convert to fraction form
   1,976,883/4,338,678 = 4,338,678/x
3. Step 3: Cross multiply
   1,976,883x = 4,338,678 × 4,338,678
4. Step 4: Simplify right side
   1,976,883x = 18,824,126,787,684
5. Step 5: Solve for x
   x = 18,824,126,787,684/1,976,883
6. Step 6: Final answer
   x = 9,522,124.87