Finding the Third Proportional to 3,315,844 and 5,120,298

Step by Step Solution

1. Step 1: Write the proportion equation
   3,315,844 : 5,120,298 = 5,120,298 : x
2. Step 2: Convert to fraction form
   3,315,844/5,120,298 = 5,120,298/x
3. Step 3: Cross multiply
   3,315,844x = 5,120,298 × 5,120,298
4. Step 4: Simplify right side
   3,315,844x = 26,217,451,608,804
5. Step 5: Solve for x
   x = 26,217,451,608,804/3,315,844
6. Step 6: Final answer
   x = 7,906,720.46