Finding the Third Proportional to 1,215,105 and 2,813,067

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215,105 : 2,813,067 = 2,813,067 : x
2. Step 2: Convert to fraction form
   1,215,105/2,813,067 = 2,813,067/x
3. Step 3: Cross multiply
   1,215,105x = 2,813,067 × 2,813,067
4. Step 4: Simplify right side
   1,215,105x = 7,913,345,946,489
5. Step 5: Solve for x
   x = 7,913,345,946,489/1,215,105
6. Step 6: Final answer
   x = 6,512,479.12