Finding the Third Proportional to 64,944.50 and 134,992

Step by Step Solution

1. Step 1: Write the proportion equation
   64,944.50 : 134,992 = 134,992 : x
2. Step 2: Convert to fraction form
   64,944.50/134,992 = 134,992/x
3. Step 3: Cross multiply
   64,944.50x = 134,992 × 134,992
4. Step 4: Simplify right side
   64,944.50x = 18,222,840,064
5. Step 5: Solve for x
   x = 18,222,840,064/64,944.50
6. Step 6: Final answer
   x = 280,590.97