Finding the Third Proportional to 404,806.50 and 888,345

Step by Step Solution

1. Step 1: Write the proportion equation
   404,806.50 : 888,345 = 888,345 : x
2. Step 2: Convert to fraction form
   404,806.50/888,345 = 888,345/x
3. Step 3: Cross multiply
   404,806.50x = 888,345 × 888,345
4. Step 4: Simplify right side
   404,806.50x = 789,156,839,025
5. Step 5: Solve for x
   x = 789,156,839,025/404,806.50
6. Step 6: Final answer
   x = 1,949,466.82