Finding the Third Proportional to 2,869,589 and 4,394,780

Step by Step Solution

1. Step 1: Write the proportion equation
   2,869,589 : 4,394,780 = 4,394,780 : x
2. Step 2: Convert to fraction form
   2,869,589/4,394,780 = 4,394,780/x
3. Step 3: Cross multiply
   2,869,589x = 4,394,780 × 4,394,780
4. Step 4: Simplify right side
   2,869,589x = 19,314,091,248,400
5. Step 5: Solve for x
   x = 19,314,091,248,400/2,869,589
6. Step 6: Final answer
   x = 6,730,612.38