Finding the Third Proportional to 43.37 and 69.86

Step by Step Solution

1. Step 1: Write the proportion equation
   43.37 : 69.86 = 69.86 : x
2. Step 2: Convert to fraction form
   43.37/69.86 = 69.86/x
3. Step 3: Cross multiply
   43.37x = 69.86 × 69.86
4. Step 4: Simplify right side
   43.37x = 4,879.79
5. Step 5: Solve for x
   x = 4,879.79/43.37
6. Step 6: Final answer
   x = 112.53