Finding the Third Proportional to 51,360 and 111,168

Step by Step Solution

1. Step 1: Write the proportion equation
   51,360 : 111,168 = 111,168 : x
2. Step 2: Convert to fraction form
   51,360/111,168 = 111,168/x
3. Step 3: Cross multiply
   51,360x = 111,168 × 111,168
4. Step 4: Simplify right side
   51,360x = 12,358,324,224
5. Step 5: Solve for x
   x = 12,358,324,224/51,360
6. Step 6: Final answer
   x = 240,621.58