Finding the Third Proportional to 2,873,144 and 4,448,678

Step by Step Solution

1. Step 1: Write the proportion equation
   2,873,144 : 4,448,678 = 4,448,678 : x
2. Step 2: Convert to fraction form
   2,873,144/4,448,678 = 4,448,678/x
3. Step 3: Cross multiply
   2,873,144x = 4,448,678 × 4,448,678
4. Step 4: Simplify right side
   2,873,144x = 19,790,735,947,684
5. Step 5: Solve for x
   x = 19,790,735,947,684/2,873,144
6. Step 6: Final answer
   x = 6,888,181.01