Finding the Third Proportional to 72,436.50 and 134,181

Step by Step Solution

1. Step 1: Write the proportion equation
   72,436.50 : 134,181 = 134,181 : x
2. Step 2: Convert to fraction form
   72,436.50/134,181 = 134,181/x
3. Step 3: Cross multiply
   72,436.50x = 134,181 × 134,181
4. Step 4: Simplify right side
   72,436.50x = 18,004,540,761
5. Step 5: Solve for x
   x = 18,004,540,761/72,436.50
6. Step 6: Final answer
   x = 248,556.19