Finding the Third Proportional to 3,613,320 and 5,284,278

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613,320 : 5,284,278 = 5,284,278 : x
2. Step 2: Convert to fraction form
   3,613,320/5,284,278 = 5,284,278/x
3. Step 3: Cross multiply
   3,613,320x = 5,284,278 × 5,284,278
4. Step 4: Simplify right side
   3,613,320x = 27,923,593,981,284
5. Step 5: Solve for x
   x = 27,923,593,981,284/3,613,320
6. Step 6: Final answer
   x = 7,727,960.43