Finding the Third Proportional to 2,279,810 and 3,557,740

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279,810 : 3,557,740 = 3,557,740 : x
2. Step 2: Convert to fraction form
   2,279,810/3,557,740 = 3,557,740/x
3. Step 3: Cross multiply
   2,279,810x = 3,557,740 × 3,557,740
4. Step 4: Simplify right side
   2,279,810x = 12,657,513,907,600
5. Step 5: Solve for x
   x = 12,657,513,907,600/2,279,810
6. Step 6: Final answer
   x = 5,552,003.85