Finding the Third Proportional to 2,624,864 and 3,990,386

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624,864 : 3,990,386 = 3,990,386 : x
2. Step 2: Convert to fraction form
   2,624,864/3,990,386 = 3,990,386/x
3. Step 3: Cross multiply
   2,624,864x = 3,990,386 × 3,990,386
4. Step 4: Simplify right side
   2,624,864x = 15,923,180,428,996
5. Step 5: Solve for x
   x = 15,923,180,428,996/2,624,864
6. Step 6: Final answer
   x = 6,066,287.79