Finding the Third Proportional to 404,940 and 886,144

Step by Step Solution

1. Step 1: Write the proportion equation
   404,940 : 886,144 = 886,144 : x
2. Step 2: Convert to fraction form
   404,940/886,144 = 886,144/x
3. Step 3: Cross multiply
   404,940x = 886,144 × 886,144
4. Step 4: Simplify right side
   404,940x = 785,251,188,736
5. Step 5: Solve for x
   x = 785,251,188,736/404,940
6. Step 6: Final answer
   x = 1,939,179.11