Finding the Third Proportional to 2,279,839 and 3,557,783

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279,839 : 3,557,783 = 3,557,783 : x
2. Step 2: Convert to fraction form
   2,279,839/3,557,783 = 3,557,783/x
3. Step 3: Cross multiply
   2,279,839x = 3,557,783 × 3,557,783
4. Step 4: Simplify right side
   2,279,839x = 12,657,819,875,089
5. Step 5: Solve for x
   x = 12,657,819,875,089/2,279,839
6. Step 6: Final answer
   x = 5,552,067.44