Finding the Third Proportional to 2,857,360 and 3,891,192

Step by Step Solution

1. Step 1: Write the proportion equation
   2,857,360 : 3,891,192 = 3,891,192 : x
2. Step 2: Convert to fraction form
   2,857,360/3,891,192 = 3,891,192/x
3. Step 3: Cross multiply
   2,857,360x = 3,891,192 × 3,891,192
4. Step 4: Simplify right side
   2,857,360x = 15,141,375,180,864
5. Step 5: Solve for x
   x = 15,141,375,180,864/2,857,360
6. Step 6: Final answer
   x = 5,299,078.58