Finding the Third Proportional to 2,871,400 and 4,448,274

Step by Step Solution

1. Step 1: Write the proportion equation
   2,871,400 : 4,448,274 = 4,448,274 : x
2. Step 2: Convert to fraction form
   2,871,400/4,448,274 = 4,448,274/x
3. Step 3: Cross multiply
   2,871,400x = 4,448,274 × 4,448,274
4. Step 4: Simplify right side
   2,871,400x = 19,787,141,579,076
5. Step 5: Solve for x
   x = 19,787,141,579,076/2,871,400
6. Step 6: Final answer
   x = 6,891,112.90