Finding the Third Proportional to 35,517.75 and 55,144.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,517.75 : 55,144.50 = 55,144.50 : x
2. Step 2: Convert to fraction form
   35,517.75/55,144.50 = 55,144.50/x
3. Step 3: Cross multiply
   35,517.75x = 55,144.50 × 55,144.50
4. Step 4: Simplify right side
   35,517.75x = 3,040,915,880.25
5. Step 5: Solve for x
   x = 3,040,915,880.25/35,517.75
6. Step 6: Final answer
   x = 85,616.79