Finding the Third Proportional to 50,544 and 80,736

Step by Step Solution

1. Step 1: Write the proportion equation
   50,544 : 80,736 = 80,736 : x
2. Step 2: Convert to fraction form
   50,544/80,736 = 80,736/x
3. Step 3: Cross multiply
   50,544x = 80,736 × 80,736
4. Step 4: Simplify right side
   50,544x = 6,518,301,696
5. Step 5: Solve for x
   x = 6,518,301,696/50,544
6. Step 6: Final answer
   x = 128,962.92