Finding the Third Proportional to 2,775,765 and 4,140,621

Step by Step Solution

1. Step 1: Write the proportion equation
   2,775,765 : 4,140,621 = 4,140,621 : x
2. Step 2: Convert to fraction form
   2,775,765/4,140,621 = 4,140,621/x
3. Step 3: Cross multiply
   2,775,765x = 4,140,621 × 4,140,621
4. Step 4: Simplify right side
   2,775,765x = 17,144,742,265,641
5. Step 5: Solve for x
   x = 17,144,742,265,641/2,775,765
6. Step 6: Final answer
   x = 6,176,582.77