Finding the Third Proportional to 853,102 and 1,866,908

Step by Step Solution

1. Step 1: Write the proportion equation
   853,102 : 1,866,908 = 1,866,908 : x
2. Step 2: Convert to fraction form
   853,102/1,866,908 = 1,866,908/x
3. Step 3: Cross multiply
   853,102x = 1,866,908 × 1,866,908
4. Step 4: Simplify right side
   853,102x = 3,485,345,480,464
5. Step 5: Solve for x
   x = 3,485,345,480,464/853,102
6. Step 6: Final answer
   x = 4,085,496.79