Finding the Third Proportional to 268,719 and 401,674.50

Step by Step Solution

1. Step 1: Write the proportion equation
   268,719 : 401,674.50 = 401,674.50 : x
2. Step 2: Convert to fraction form
   268,719/401,674.50 = 401,674.50/x
3. Step 3: Cross multiply
   268,719x = 401,674.50 × 401,674.50
4. Step 4: Simplify right side
   268,719x = 161,342,403,950.25
5. Step 5: Solve for x
   x = 161,342,403,950.25/268,719
6. Step 6: Final answer
   x = 600,413.09