Finding the Third Proportional to 3,448,917 and 5,221,089

Step by Step Solution

1. Step 1: Write the proportion equation
   3,448,917 : 5,221,089 = 5,221,089 : x
2. Step 2: Convert to fraction form
   3,448,917/5,221,089 = 5,221,089/x
3. Step 3: Cross multiply
   3,448,917x = 5,221,089 × 5,221,089
4. Step 4: Simplify right side
   3,448,917x = 27,259,770,345,921
5. Step 5: Solve for x
   x = 27,259,770,345,921/3,448,917
6. Step 6: Final answer
   x = 7,903,863.83