Finding the Third Proportional to 126,134 and 269,404

Step by Step Solution

1. Step 1: Write the proportion equation
   126,134 : 269,404 = 269,404 : x
2. Step 2: Convert to fraction form
   126,134/269,404 = 269,404/x
3. Step 3: Cross multiply
   126,134x = 269,404 × 269,404
4. Step 4: Simplify right side
   126,134x = 72,578,515,216
5. Step 5: Solve for x
   x = 72,578,515,216/126,134
6. Step 6: Final answer
   x = 575,408.02