Finding the Third Proportional to 2,517,400 and 3,871,665

Step by Step Solution

1. Step 1: Write the proportion equation
   2,517,400 : 3,871,665 = 3,871,665 : x
2. Step 2: Convert to fraction form
   2,517,400/3,871,665 = 3,871,665/x
3. Step 3: Cross multiply
   2,517,400x = 3,871,665 × 3,871,665
4. Step 4: Simplify right side
   2,517,400x = 14,989,789,872,225
5. Step 5: Solve for x
   x = 14,989,789,872,225/2,517,400
6. Step 6: Final answer
   x = 5,954,472.82