Finding the Third Proportional to 2,646,398 and 3,959,175

Step by Step Solution

1. Step 1: Write the proportion equation
   2,646,398 : 3,959,175 = 3,959,175 : x
2. Step 2: Convert to fraction form
   2,646,398/3,959,175 = 3,959,175/x
3. Step 3: Cross multiply
   2,646,398x = 3,959,175 × 3,959,175
4. Step 4: Simplify right side
   2,646,398x = 15,675,066,680,625
5. Step 5: Solve for x
   x = 15,675,066,680,625/2,646,398
6. Step 6: Final answer
   x = 5,923,170.54