Finding the Third Proportional to 69.47 and 150.89

Step by Step Solution

1. Step 1: Write the proportion equation
   69.47 : 150.89 = 150.89 : x
2. Step 2: Convert to fraction form
   69.47/150.89 = 150.89/x
3. Step 3: Cross multiply
   69.47x = 150.89 × 150.89
4. Step 4: Simplify right side
   69.47x = 22,767.98
5. Step 5: Solve for x
   x = 22,767.98/69.47
6. Step 6: Final answer
   x = 327.74