Finding the Third Proportional to 126,229 and 276,600.50

Step by Step Solution

1. Step 1: Write the proportion equation
   126,229 : 276,600.50 = 276,600.50 : x
2. Step 2: Convert to fraction form
   126,229/276,600.50 = 276,600.50/x
3. Step 3: Cross multiply
   126,229x = 276,600.50 × 276,600.50
4. Step 4: Simplify right side
   126,229x = 76,507,836,600.25
5. Step 5: Solve for x
   x = 76,507,836,600.25/126,229
6. Step 6: Final answer
   x = 606,103.48