Finding the Third Proportional to 35,949.75 and 68,208.38

Step by Step Solution

1. Step 1: Write the proportion equation
   35,949.75 : 68,208.38 = 68,208.38 : x
2. Step 2: Convert to fraction form
   35,949.75/68,208.38 = 68,208.38/x
3. Step 3: Cross multiply
   35,949.75x = 68,208.38 × 68,208.38
4. Step 4: Simplify right side
   35,949.75x = 4,652,382,420.14
5. Step 5: Solve for x
   x = 4,652,382,420.14/35,949.75
6. Step 6: Final answer
   x = 129,413.48