Finding the Third Proportional to 51,981.75 and 111,728.53

Step by Step Solution

1. Step 1: Write the proportion equation
   51,981.75 : 111,728.53 = 111,728.53 : x
2. Step 2: Convert to fraction form
   51,981.75/111,728.53 = 111,728.53/x
3. Step 3: Cross multiply
   51,981.75x = 111,728.53 × 111,728.53
4. Step 4: Simplify right side
   51,981.75x = 12,483,264,695.28
5. Step 5: Solve for x
   x = 12,483,264,695.28/51,981.75
6. Step 6: Final answer
   x = 240,147.06