Finding the Third Proportional to 126,233.50 and 276,608.50

Step by Step Solution

1. Step 1: Write the proportion equation
   126,233.50 : 276,608.50 = 276,608.50 : x
2. Step 2: Convert to fraction form
   126,233.50/276,608.50 = 276,608.50/x
3. Step 3: Cross multiply
   126,233.50x = 276,608.50 × 276,608.50
4. Step 4: Simplify right side
   126,233.50x = 76,512,262,272.25
5. Step 5: Solve for x
   x = 76,512,262,272.25/126,233.50
6. Step 6: Final answer
   x = 606,116.94