Finding the Third Proportional to 126,576 and 274,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   126,576 : 274,171.50 = 274,171.50 : x
2. Step 2: Convert to fraction form
   126,576/274,171.50 = 274,171.50/x
3. Step 3: Cross multiply
   126,576x = 274,171.50 × 274,171.50
4. Step 4: Simplify right side
   126,576x = 75,170,011,412.25
5. Step 5: Solve for x
   x = 75,170,011,412.25/126,576
6. Step 6: Final answer
   x = 593,872.55