Finding the Third Proportional to 2,835,778 and 4,255,740

Step by Step Solution

1. Step 1: Write the proportion equation
   2,835,778 : 4,255,740 = 4,255,740 : x
2. Step 2: Convert to fraction form
   2,835,778/4,255,740 = 4,255,740/x
3. Step 3: Cross multiply
   2,835,778x = 4,255,740 × 4,255,740
4. Step 4: Simplify right side
   2,835,778x = 18,111,322,947,600
5. Step 5: Solve for x
   x = 18,111,322,947,600/2,835,778
6. Step 6: Final answer
   x = 6,386,721.02