Finding the Third Proportional to 853,198 and 1,867,099

Step by Step Solution

1. Step 1: Write the proportion equation
   853,198 : 1,867,099 = 1,867,099 : x
2. Step 2: Convert to fraction form
   853,198/1,867,099 = 1,867,099/x
3. Step 3: Cross multiply
   853,198x = 1,867,099 × 1,867,099
4. Step 4: Simplify right side
   853,198x = 3,486,058,675,801
5. Step 5: Solve for x
   x = 3,486,058,675,801/853,198
6. Step 6: Final answer
   x = 4,085,873.00