Finding the Third Proportional to 851,694 and 1,843,644

Step by Step Solution

1. Step 1: Write the proportion equation
   851,694 : 1,843,644 = 1,843,644 : x
2. Step 2: Convert to fraction form
   851,694/1,843,644 = 1,843,644/x
3. Step 3: Cross multiply
   851,694x = 1,843,644 × 1,843,644
4. Step 4: Simplify right side
   851,694x = 3,399,023,198,736
5. Step 5: Solve for x
   x = 3,399,023,198,736/851,694
6. Step 6: Final answer
   x = 3,990,897.20