Finding the Third Proportional to 2,517,390 and 3,871,644

Step by Step Solution

1. Step 1: Write the proportion equation
   2,517,390 : 3,871,644 = 3,871,644 : x
2. Step 2: Convert to fraction form
   2,517,390/3,871,644 = 3,871,644/x
3. Step 3: Cross multiply
   2,517,390x = 3,871,644 × 3,871,644
4. Step 4: Simplify right side
   2,517,390x = 14,989,627,262,736
5. Step 5: Solve for x
   x = 14,989,627,262,736/2,517,390
6. Step 6: Final answer
   x = 5,954,431.88