Finding the Third Proportional to 127,028 and 274,144

Step by Step Solution

1. Step 1: Write the proportion equation
   127,028 : 274,144 = 274,144 : x
2. Step 2: Convert to fraction form
   127,028/274,144 = 274,144/x
3. Step 3: Cross multiply
   127,028x = 274,144 × 274,144
4. Step 4: Simplify right side
   127,028x = 75,154,932,736
5. Step 5: Solve for x
   x = 75,154,932,736/127,028
6. Step 6: Final answer
   x = 591,640.68