Finding the Third Proportional to 191,250 and 404,388

Step by Step Solution

1. Step 1: Write the proportion equation
   191,250 : 404,388 = 404,388 : x
2. Step 2: Convert to fraction form
   191,250/404,388 = 404,388/x
3. Step 3: Cross multiply
   191,250x = 404,388 × 404,388
4. Step 4: Simplify right side
   191,250x = 163,529,654,544
5. Step 5: Solve for x
   x = 163,529,654,544/191,250
6. Step 6: Final answer
   x = 855,057.02