Finding the Third Proportional to 111.06 and 237.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111.06 : 237.30 = 237.30 : x
2. Step 2: Convert to fraction form
   111.06/237.30 = 237.30/x
3. Step 3: Cross multiply
   111.06x = 237.30 × 237.30
4. Step 4: Simplify right side
   111.06x = 56,313.51
5. Step 5: Solve for x
   x = 56,313.51/111.06
6. Step 6: Final answer
   x = 507.06