Finding the Third Proportional to 859,456 and 1,871,834

Step by Step Solution

1. Step 1: Write the proportion equation
   859,456 : 1,871,834 = 1,871,834 : x
2. Step 2: Convert to fraction form
   859,456/1,871,834 = 1,871,834/x
3. Step 3: Cross multiply
   859,456x = 1,871,834 × 1,871,834
4. Step 4: Simplify right side
   859,456x = 3,503,762,523,556
5. Step 5: Solve for x
   x = 3,503,762,523,556/859,456
6. Step 6: Final answer
   x = 4,076,721.23