Finding the Third Proportional to 5,397,219 and 7,718,087

Step by Step Solution

1. Step 1: Write the proportion equation
   5,397,219 : 7,718,087 = 7,718,087 : x
2. Step 2: Convert to fraction form
   5,397,219/7,718,087 = 7,718,087/x
3. Step 3: Cross multiply
   5,397,219x = 7,718,087 × 7,718,087
4. Step 4: Simplify right side
   5,397,219x = 59,568,866,939,569
5. Step 5: Solve for x
   x = 59,568,866,939,569/5,397,219
6. Step 6: Final answer
   x = 11,036,955.69