Finding the Third Proportional to 72.14 and 156.62

Step by Step Solution

1. Step 1: Write the proportion equation
   72.14 : 156.62 = 156.62 : x
2. Step 2: Convert to fraction form
   72.14/156.62 = 156.62/x
3. Step 3: Cross multiply
   72.14x = 156.62 × 156.62
4. Step 4: Simplify right side
   72.14x = 24,530.17
5. Step 5: Solve for x
   x = 24,530.17/72.14
6. Step 6: Final answer
   x = 340.03