Finding the Third Proportional to 126,253 and 276,261.50

Step by Step Solution

1. Step 1: Write the proportion equation
   126,253 : 276,261.50 = 276,261.50 : x
2. Step 2: Convert to fraction form
   126,253/276,261.50 = 276,261.50/x
3. Step 3: Cross multiply
   126,253x = 276,261.50 × 276,261.50
4. Step 4: Simplify right side
   126,253x = 76,320,416,382.25
5. Step 5: Solve for x
   x = 76,320,416,382.25/126,253
6. Step 6: Final answer
   x = 604,503.79