Finding the Third Proportional to 2,554,544 and 4,257,390

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554,544 : 4,257,390 = 4,257,390 : x
2. Step 2: Convert to fraction form
   2,554,544/4,257,390 = 4,257,390/x
3. Step 3: Cross multiply
   2,554,544x = 4,257,390 × 4,257,390
4. Step 4: Simplify right side
   2,554,544x = 18,125,369,612,100
5. Step 5: Solve for x
   x = 18,125,369,612,100/2,554,544
6. Step 6: Final answer
   x = 7,095,344.46