Finding the Third Proportional to 126,423.75 and 271,608

Step by Step Solution

1. Step 1: Write the proportion equation
   126,423.75 : 271,608 = 271,608 : x
2. Step 2: Convert to fraction form
   126,423.75/271,608 = 271,608/x
3. Step 3: Cross multiply
   126,423.75x = 271,608 × 271,608
4. Step 4: Simplify right side
   126,423.75x = 73,770,905,664
5. Step 5: Solve for x
   x = 73,770,905,664/126,423.75
6. Step 6: Final answer
   x = 583,520.94