Finding the Third Proportional to 111,456 and 233,928

Step by Step Solution

1. Step 1: Write the proportion equation
   111,456 : 233,928 = 233,928 : x
2. Step 2: Convert to fraction form
   111,456/233,928 = 233,928/x
3. Step 3: Cross multiply
   111,456x = 233,928 × 233,928
4. Step 4: Simplify right side
   111,456x = 54,722,309,184
5. Step 5: Solve for x
   x = 54,722,309,184/111,456
6. Step 6: Final answer
   x = 490,976.79