Finding the Third Proportional to 50,185.50 and 72,135

Step by Step Solution

1. Step 1: Write the proportion equation
   50,185.50 : 72,135 = 72,135 : x
2. Step 2: Convert to fraction form
   50,185.50/72,135 = 72,135/x
3. Step 3: Cross multiply
   50,185.50x = 72,135 × 72,135
4. Step 4: Simplify right side
   50,185.50x = 5,203,458,225
5. Step 5: Solve for x
   x = 5,203,458,225/50,185.50
6. Step 6: Final answer
   x = 103,684.50