Finding the Third Proportional to 859,778 and 1,868,848

Step by Step Solution

1. Step 1: Write the proportion equation
   859,778 : 1,868,848 = 1,868,848 : x
2. Step 2: Convert to fraction form
   859,778/1,868,848 = 1,868,848/x
3. Step 3: Cross multiply
   859,778x = 1,868,848 × 1,868,848
4. Step 4: Simplify right side
   859,778x = 3,492,592,847,104
5. Step 5: Solve for x
   x = 3,492,592,847,104/859,778
6. Step 6: Final answer
   x = 4,062,203.09