Finding the Third Proportional to 862,556 and 1,871,722

Step by Step Solution

1. Step 1: Write the proportion equation
   862,556 : 1,871,722 = 1,871,722 : x
2. Step 2: Convert to fraction form
   862,556/1,871,722 = 1,871,722/x
3. Step 3: Cross multiply
   862,556x = 1,871,722 × 1,871,722
4. Step 4: Simplify right side
   862,556x = 3,503,343,245,284
5. Step 5: Solve for x
   x = 3,503,343,245,284/862,556
6. Step 6: Final answer
   x = 4,061,583.53