Finding the Third Proportional to 1,557,486 and 2,277,099

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557,486 : 2,277,099 = 2,277,099 : x
2. Step 2: Convert to fraction form
   1,557,486/2,277,099 = 2,277,099/x
3. Step 3: Cross multiply
   1,557,486x = 2,277,099 × 2,277,099
4. Step 4: Simplify right side
   1,557,486x = 5,185,179,855,801
5. Step 5: Solve for x
   x = 5,185,179,855,801/1,557,486
6. Step 6: Final answer
   x = 3,329,198.37