Finding the Third Proportional to 853,098 and 1,866,900

Step by Step Solution

1. Step 1: Write the proportion equation
   853,098 : 1,866,900 = 1,866,900 : x
2. Step 2: Convert to fraction form
   853,098/1,866,900 = 1,866,900/x
3. Step 3: Cross multiply
   853,098x = 1,866,900 × 1,866,900
4. Step 4: Simplify right side
   853,098x = 3,485,315,610,000
5. Step 5: Solve for x
   x = 3,485,315,610,000/853,098
6. Step 6: Final answer
   x = 4,085,480.93