Finding the Third Proportional to 408,067.50 and 888,414

Step by Step Solution

1. Step 1: Write the proportion equation
   408,067.50 : 888,414 = 888,414 : x
2. Step 2: Convert to fraction form
   408,067.50/888,414 = 888,414/x
3. Step 3: Cross multiply
   408,067.50x = 888,414 × 888,414
4. Step 4: Simplify right side
   408,067.50x = 789,279,435,396
5. Step 5: Solve for x
   x = 789,279,435,396/408,067.50
6. Step 6: Final answer
   x = 1,934,188.43