Finding the Third Proportional to 69.94 and 102.88

Step by Step Solution

1. Step 1: Write the proportion equation
   69.94 : 102.88 = 102.88 : x
2. Step 2: Convert to fraction form
   69.94/102.88 = 102.88/x
3. Step 3: Cross multiply
   69.94x = 102.88 × 102.88
4. Step 4: Simplify right side
   69.94x = 10,583.27
5. Step 5: Solve for x
   x = 10,583.27/69.94
6. Step 6: Final answer
   x = 151.32