Finding the Third Proportional to 853,560 and 1,864,608

Step by Step Solution

1. Step 1: Write the proportion equation
   853,560 : 1,864,608 = 1,864,608 : x
2. Step 2: Convert to fraction form
   853,560/1,864,608 = 1,864,608/x
3. Step 3: Cross multiply
   853,560x = 1,864,608 × 1,864,608
4. Step 4: Simplify right side
   853,560x = 3,476,762,993,664
5. Step 5: Solve for x
   x = 3,476,762,993,664/853,560
6. Step 6: Final answer
   x = 4,073,249.68