Finding the Third Proportional to 126,724 and 275,500

Step by Step Solution

1. Step 1: Write the proportion equation
   126,724 : 275,500 = 275,500 : x
2. Step 2: Convert to fraction form
   126,724/275,500 = 275,500/x
3. Step 3: Cross multiply
   126,724x = 275,500 × 275,500
4. Step 4: Simplify right side
   126,724x = 75,900,250,000
5. Step 5: Solve for x
   x = 75,900,250,000/126,724
6. Step 6: Final answer
   x = 598,941.40