Finding the Third Proportional to 1,338,878 and 2,943,112

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,878 : 2,943,112 = 2,943,112 : x
2. Step 2: Convert to fraction form
   1,338,878/2,943,112 = 2,943,112/x
3. Step 3: Cross multiply
   1,338,878x = 2,943,112 × 2,943,112
4. Step 4: Simplify right side
   1,338,878x = 8,661,908,244,544
5. Step 5: Solve for x
   x = 8,661,908,244,544/1,338,878
6. Step 6: Final answer
   x = 6,469,527.65