Finding the Third Proportional to 1,557,490 and 2,277,105

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557,490 : 2,277,105 = 2,277,105 : x
2. Step 2: Convert to fraction form
   1,557,490/2,277,105 = 2,277,105/x
3. Step 3: Cross multiply
   1,557,490x = 2,277,105 × 2,277,105
4. Step 4: Simplify right side
   1,557,490x = 5,185,207,181,025
5. Step 5: Solve for x
   x = 5,185,207,181,025/1,557,490
6. Step 6: Final answer
   x = 3,329,207.37