Finding the Third Proportional to 72,616.50 and 158,375.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,616.50 : 158,375.25 = 158,375.25 : x
2. Step 2: Convert to fraction form
   72,616.50/158,375.25 = 158,375.25/x
3. Step 3: Cross multiply
   72,616.50x = 158,375.25 × 158,375.25
4. Step 4: Simplify right side
   72,616.50x = 25,082,719,812.56
5. Step 5: Solve for x
   x = 25,082,719,812.56/72,616.50
6. Step 6: Final answer
   x = 345,413.51