Finding the Third Proportional to 862,554 and 1,871,718

Step by Step Solution

1. Step 1: Write the proportion equation
   862,554 : 1,871,718 = 1,871,718 : x
2. Step 2: Convert to fraction form
   862,554/1,871,718 = 1,871,718/x
3. Step 3: Cross multiply
   862,554x = 1,871,718 × 1,871,718
4. Step 4: Simplify right side
   862,554x = 3,503,328,271,524
5. Step 5: Solve for x
   x = 3,503,328,271,524/862,554
6. Step 6: Final answer
   x = 4,061,575.59