Finding the Third Proportional to 114,240 and 254,976

Step by Step Solution

1. Step 1: Write the proportion equation
   114,240 : 254,976 = 254,976 : x
2. Step 2: Convert to fraction form
   114,240/254,976 = 254,976/x
3. Step 3: Cross multiply
   114,240x = 254,976 × 254,976
4. Step 4: Simplify right side
   114,240x = 65,012,760,576
5. Step 5: Solve for x
   x = 65,012,760,576/114,240
6. Step 6: Final answer
   x = 569,089.29