Finding the Third Proportional to 853,059 and 1,866,822

Step by Step Solution

1. Step 1: Write the proportion equation
   853,059 : 1,866,822 = 1,866,822 : x
2. Step 2: Convert to fraction form
   853,059/1,866,822 = 1,866,822/x
3. Step 3: Cross multiply
   853,059x = 1,866,822 × 1,866,822
4. Step 4: Simplify right side
   853,059x = 3,485,024,379,684
5. Step 5: Solve for x
   x = 3,485,024,379,684/853,059
6. Step 6: Final answer
   x = 4,085,326.31