Finding the Third Proportional to 118.69 and 245.67

Step by Step Solution

1. Step 1: Write the proportion equation
   118.69 : 245.67 = 245.67 : x
2. Step 2: Convert to fraction form
   118.69/245.67 = 245.67/x
3. Step 3: Cross multiply
   118.69x = 245.67 × 245.67
4. Step 4: Simplify right side
   118.69x = 60,354.67
5. Step 5: Solve for x
   x = 60,354.67/118.69
6. Step 6: Final answer
   x = 508.52