Finding the Third Proportional to 1,801,378 and 3,957,048

Step by Step Solution

1. Step 1: Write the proportion equation
   1,801,378 : 3,957,048 = 3,957,048 : x
2. Step 2: Convert to fraction form
   1,801,378/3,957,048 = 3,957,048/x
3. Step 3: Cross multiply
   1,801,378x = 3,957,048 × 3,957,048
4. Step 4: Simplify right side
   1,801,378x = 15,658,228,874,304
5. Step 5: Solve for x
   x = 15,658,228,874,304/1,801,378
6. Step 6: Final answer
   x = 8,692,361.56