Finding the Third Proportional to 2,593,878 and 4,143,780

Step by Step Solution

1. Step 1: Write the proportion equation
   2,593,878 : 4,143,780 = 4,143,780 : x
2. Step 2: Convert to fraction form
   2,593,878/4,143,780 = 4,143,780/x
3. Step 3: Cross multiply
   2,593,878x = 4,143,780 × 4,143,780
4. Step 4: Simplify right side
   2,593,878x = 17,170,912,688,400
5. Step 5: Solve for x
   x = 17,170,912,688,400/2,593,878
6. Step 6: Final answer
   x = 6,619,784.23