Finding the Third Proportional to 2,864,716 and 3,892,923

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864,716 : 3,892,923 = 3,892,923 : x
2. Step 2: Convert to fraction form
   2,864,716/3,892,923 = 3,892,923/x
3. Step 3: Cross multiply
   2,864,716x = 3,892,923 × 3,892,923
4. Step 4: Simplify right side
   2,864,716x = 15,154,849,483,929
5. Step 5: Solve for x
   x = 15,154,849,483,929/2,864,716
6. Step 6: Final answer
   x = 5,290,175.18