Finding the Third Proportional to 5,179,265 and 7,840,790

Step by Step Solution

1. Step 1: Write the proportion equation
   5,179,265 : 7,840,790 = 7,840,790 : x
2. Step 2: Convert to fraction form
   5,179,265/7,840,790 = 7,840,790/x
3. Step 3: Cross multiply
   5,179,265x = 7,840,790 × 7,840,790
4. Step 4: Simplify right side
   5,179,265x = 61,477,987,824,100
5. Step 5: Solve for x
   x = 61,477,987,824,100/5,179,265
6. Step 6: Final answer
   x = 11,870,021.68