Finding the Third Proportional to 162.38 and 346.69

Step by Step Solution

1. Step 1: Write the proportion equation
   162.38 : 346.69 = 346.69 : x
2. Step 2: Convert to fraction form
   162.38/346.69 = 346.69/x
3. Step 3: Cross multiply
   162.38x = 346.69 × 346.69
4. Step 4: Simplify right side
   162.38x = 120,192.22
5. Step 5: Solve for x
   x = 120,192.22/162.38
6. Step 6: Final answer
   x = 740.21