Finding the Third Proportional to 859,458 and 1,871,838

Step by Step Solution

1. Step 1: Write the proportion equation
   859,458 : 1,871,838 = 1,871,838 : x
2. Step 2: Convert to fraction form
   859,458/1,871,838 = 1,871,838/x
3. Step 3: Cross multiply
   859,458x = 1,871,838 × 1,871,838
4. Step 4: Simplify right side
   859,458x = 3,503,777,498,244
5. Step 5: Solve for x
   x = 3,503,777,498,244/859,458
6. Step 6: Final answer
   x = 4,076,729.17