Finding the Third Proportional to 111,393 and 234,450

Step by Step Solution

1. Step 1: Write the proportion equation
   111,393 : 234,450 = 234,450 : x
2. Step 2: Convert to fraction form
   111,393/234,450 = 234,450/x
3. Step 3: Cross multiply
   111,393x = 234,450 × 234,450
4. Step 4: Simplify right side
   111,393x = 54,966,802,500
5. Step 5: Solve for x
   x = 54,966,802,500/111,393
6. Step 6: Final answer
   x = 493,449.34