Finding the Third Proportional to 853,564 and 1,864,616

Step by Step Solution

1. Step 1: Write the proportion equation
   853,564 : 1,864,616 = 1,864,616 : x
2. Step 2: Convert to fraction form
   853,564/1,864,616 = 1,864,616/x
3. Step 3: Cross multiply
   853,564x = 1,864,616 × 1,864,616
4. Step 4: Simplify right side
   853,564x = 3,476,792,827,456
5. Step 5: Solve for x
   x = 3,476,792,827,456/853,564
6. Step 6: Final answer
   x = 4,073,265.54