Finding the Third Proportional to 408,079.50 and 888,438

Step by Step Solution

1. Step 1: Write the proportion equation
   408,079.50 : 888,438 = 888,438 : x
2. Step 2: Convert to fraction form
   408,079.50/888,438 = 888,438/x
3. Step 3: Cross multiply
   408,079.50x = 888,438 × 888,438
4. Step 4: Simplify right side
   408,079.50x = 789,322,079,844
5. Step 5: Solve for x
   x = 789,322,079,844/408,079.50
6. Step 6: Final answer
   x = 1,934,236.05