Finding the Third Proportional to 111.87 and 245.04

Step by Step Solution

1. Step 1: Write the proportion equation
   111.87 : 245.04 = 245.04 : x
2. Step 2: Convert to fraction form
   111.87/245.04 = 245.04/x
3. Step 3: Cross multiply
   111.87x = 245.04 × 245.04
4. Step 4: Simplify right side
   111.87x = 60,044.14
5. Step 5: Solve for x
   x = 60,044.14/111.87
6. Step 6: Final answer
   x = 536.74