Finding the Third Proportional to 1,857,981 and 2,871,543

Step by Step Solution

1. Step 1: Write the proportion equation
   1,857,981 : 2,871,543 = 2,871,543 : x
2. Step 2: Convert to fraction form
   1,857,981/2,871,543 = 2,871,543/x
3. Step 3: Cross multiply
   1,857,981x = 2,871,543 × 2,871,543
4. Step 4: Simplify right side
   1,857,981x = 8,245,759,200,849
5. Step 5: Solve for x
   x = 8,245,759,200,849/1,857,981
6. Step 6: Final answer
   x = 4,438,021.27