Finding the Third Proportional to 112.13 and 233.86

Step by Step Solution

1. Step 1: Write the proportion equation
   112.13 : 233.86 = 233.86 : x
2. Step 2: Convert to fraction form
   112.13/233.86 = 233.86/x
3. Step 3: Cross multiply
   112.13x = 233.86 × 233.86
4. Step 4: Simplify right side
   112.13x = 54,692.26
5. Step 5: Solve for x
   x = 54,692.26/112.13
6. Step 6: Final answer
   x = 487.77