Finding the Third Proportional to 54,823.50 and 82,255.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,823.50 : 82,255.50 = 82,255.50 : x
2. Step 2: Convert to fraction form
   54,823.50/82,255.50 = 82,255.50/x
3. Step 3: Cross multiply
   54,823.50x = 82,255.50 × 82,255.50
4. Step 4: Simplify right side
   54,823.50x = 6,765,967,280.25
5. Step 5: Solve for x
   x = 6,765,967,280.25/54,823.50
6. Step 6: Final answer
   x = 123,413.63