Finding the Third Proportional to 187,455 and 404,886

Step by Step Solution

1. Step 1: Write the proportion equation
   187,455 : 404,886 = 404,886 : x
2. Step 2: Convert to fraction form
   187,455/404,886 = 404,886/x
3. Step 3: Cross multiply
   187,455x = 404,886 × 404,886
4. Step 4: Simplify right side
   187,455x = 163,932,672,996
5. Step 5: Solve for x
   x = 163,932,672,996/187,455
6. Step 6: Final answer
   x = 874,517.47