Finding the Third Proportional to 2,631,840 and 3,856,510

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631,840 : 3,856,510 = 3,856,510 : x
2. Step 2: Convert to fraction form
   2,631,840/3,856,510 = 3,856,510/x
3. Step 3: Cross multiply
   2,631,840x = 3,856,510 × 3,856,510
4. Step 4: Simplify right side
   2,631,840x = 14,872,669,380,100
5. Step 5: Solve for x
   x = 14,872,669,380,100/2,631,840
6. Step 6: Final answer
   x = 5,651,053.78