Finding the Third Proportional to 188,426 and 404,150

Step by Step Solution

1. Step 1: Write the proportion equation
   188,426 : 404,150 = 404,150 : x
2. Step 2: Convert to fraction form
   188,426/404,150 = 404,150/x
3. Step 3: Cross multiply
   188,426x = 404,150 × 404,150
4. Step 4: Simplify right side
   188,426x = 163,337,222,500
5. Step 5: Solve for x
   x = 163,337,222,500/188,426
6. Step 6: Final answer
   x = 866,850.77