Finding the Third Proportional to 127.38 and 322.38

Step by Step Solution

1. Step 1: Write the proportion equation
   127.38 : 322.38 = 322.38 : x
2. Step 2: Convert to fraction form
   127.38/322.38 = 322.38/x
3. Step 3: Cross multiply
   127.38x = 322.38 × 322.38
4. Step 4: Simplify right side
   127.38x = 103,925.64
5. Step 5: Solve for x
   x = 103,925.64/127.38
6. Step 6: Final answer
   x = 815.90