Finding the Third Proportional to 271,458 and 591,108

Step by Step Solution

1. Step 1: Write the proportion equation
   271,458 : 591,108 = 591,108 : x
2. Step 2: Convert to fraction form
   271,458/591,108 = 591,108/x
3. Step 3: Cross multiply
   271,458x = 591,108 × 591,108
4. Step 4: Simplify right side
   271,458x = 349,408,667,664
5. Step 5: Solve for x
   x = 349,408,667,664/271,458
6. Step 6: Final answer
   x = 1,287,155.54