Finding the Third Proportional to 408,064.50 and 888,408

Step by Step Solution

1. Step 1: Write the proportion equation
   408,064.50 : 888,408 = 888,408 : x
2. Step 2: Convert to fraction form
   408,064.50/888,408 = 888,408/x
3. Step 3: Cross multiply
   408,064.50x = 888,408 × 888,408
4. Step 4: Simplify right side
   408,064.50x = 789,268,774,464
5. Step 5: Solve for x
   x = 789,268,774,464/408,064.50
6. Step 6: Final answer
   x = 1,934,176.52