Finding the Third Proportional to 859,464 and 1,871,856

Step by Step Solution

1. Step 1: Write the proportion equation
   859,464 : 1,871,856 = 1,871,856 : x
2. Step 2: Convert to fraction form
   859,464/1,871,856 = 1,871,856/x
3. Step 3: Cross multiply
   859,464x = 1,871,856 × 1,871,856
4. Step 4: Simplify right side
   859,464x = 3,503,844,884,736
5. Step 5: Solve for x
   x = 3,503,844,884,736/859,464
6. Step 6: Final answer
   x = 4,076,779.11