Finding the Third Proportional to 64.97 and 152.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64.97 : 152.72 = 152.72 : x
2. Step 2: Convert to fraction form
   64.97/152.72 = 152.72/x
3. Step 3: Cross multiply
   64.97x = 152.72 × 152.72
4. Step 4: Simplify right side
   64.97x = 23,323.02
5. Step 5: Solve for x
   x = 23,323.02/64.97
6. Step 6: Final answer
   x = 358.99