Finding the Third Proportional to 859,780 and 1,868,852

Step by Step Solution

1. Step 1: Write the proportion equation
   859,780 : 1,868,852 = 1,868,852 : x
2. Step 2: Convert to fraction form
   859,780/1,868,852 = 1,868,852/x
3. Step 3: Cross multiply
   859,780x = 1,868,852 × 1,868,852
4. Step 4: Simplify right side
   859,780x = 3,492,607,797,904
5. Step 5: Solve for x
   x = 3,492,607,797,904/859,780
6. Step 6: Final answer
   x = 4,062,211.03