Finding the Third Proportional to 2,562,378 and 5,440,818

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562,378 : 5,440,818 = 5,440,818 : x
2. Step 2: Convert to fraction form
   2,562,378/5,440,818 = 5,440,818/x
3. Step 3: Cross multiply
   2,562,378x = 5,440,818 × 5,440,818
4. Step 4: Simplify right side
   2,562,378x = 29,602,500,509,124
5. Step 5: Solve for x
   x = 29,602,500,509,124/2,562,378
6. Step 6: Final answer
   x = 11,552,745.34