Finding the Third Proportional to 69.38 and 94.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69.38 : 94.50 = 94.50 : x
2. Step 2: Convert to fraction form
   69.38/94.50 = 94.50/x
3. Step 3: Cross multiply
   69.38x = 94.50 × 94.50
4. Step 4: Simplify right side
   69.38x = 8,930.25
5. Step 5: Solve for x
   x = 8,930.25/69.38
6. Step 6: Final answer
   x = 128.72