Finding the Third Proportional to 1,040,310 and 2,248,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040,310 : 2,248,128 = 2,248,128 : x
2. Step 2: Convert to fraction form
   1,040,310/2,248,128 = 2,248,128/x
3. Step 3: Cross multiply
   1,040,310x = 2,248,128 × 2,248,128
4. Step 4: Simplify right side
   1,040,310x = 5,054,079,504,384
5. Step 5: Solve for x
   x = 5,054,079,504,384/1,040,310
6. Step 6: Final answer
   x = 4,858,243.70