Finding the Third Proportional to 156.73 and 343.83

Step by Step Solution

1. Step 1: Write the proportion equation
   156.73 : 343.83 = 343.83 : x
2. Step 2: Convert to fraction form
   156.73/343.83 = 343.83/x
3. Step 3: Cross multiply
   156.73x = 343.83 × 343.83
4. Step 4: Simplify right side
   156.73x = 118,217.78
5. Step 5: Solve for x
   x = 118,217.78/156.73
6. Step 6: Final answer
   x = 754.29