Finding the Third Proportional to 405,367.50 and 888,567

Step by Step Solution

1. Step 1: Write the proportion equation
   405,367.50 : 888,567 = 888,567 : x
2. Step 2: Convert to fraction form
   405,367.50/888,567 = 888,567/x
3. Step 3: Cross multiply
   405,367.50x = 888,567 × 888,567
4. Step 4: Simplify right side
   405,367.50x = 789,551,313,489
5. Step 5: Solve for x
   x = 789,551,313,489/405,367.50
6. Step 6: Final answer
   x = 1,947,742.02