Finding the Third Proportional to 2,860,278 and 4,196,913

Step by Step Solution

1. Step 1: Write the proportion equation
   2,860,278 : 4,196,913 = 4,196,913 : x
2. Step 2: Convert to fraction form
   2,860,278/4,196,913 = 4,196,913/x
3. Step 3: Cross multiply
   2,860,278x = 4,196,913 × 4,196,913
4. Step 4: Simplify right side
   2,860,278x = 17,614,078,729,569
5. Step 5: Solve for x
   x = 17,614,078,729,569/2,860,278
6. Step 6: Final answer
   x = 6,158,170.20