Finding the Third Proportional to 188,628 and 404,250

Step by Step Solution

1. Step 1: Write the proportion equation
   188,628 : 404,250 = 404,250 : x
2. Step 2: Convert to fraction form
   188,628/404,250 = 404,250/x
3. Step 3: Cross multiply
   188,628x = 404,250 × 404,250
4. Step 4: Simplify right side
   188,628x = 163,418,062,500
5. Step 5: Solve for x
   x = 163,418,062,500/188,628
6. Step 6: Final answer
   x = 866,351.03