Finding the Third Proportional to 189,304.50 and 404,874

Step by Step Solution

1. Step 1: Write the proportion equation
   189,304.50 : 404,874 = 404,874 : x
2. Step 2: Convert to fraction form
   189,304.50/404,874 = 404,874/x
3. Step 3: Cross multiply
   189,304.50x = 404,874 × 404,874
4. Step 4: Simplify right side
   189,304.50x = 163,922,955,876
5. Step 5: Solve for x
   x = 163,922,955,876/189,304.50
6. Step 6: Final answer
   x = 865,922.13