Finding the Third Proportional to 126,958 and 273,289.50

Step by Step Solution

1. Step 1: Write the proportion equation
   126,958 : 273,289.50 = 273,289.50 : x
2. Step 2: Convert to fraction form
   126,958/273,289.50 = 273,289.50/x
3. Step 3: Cross multiply
   126,958x = 273,289.50 × 273,289.50
4. Step 4: Simplify right side
   126,958x = 74,687,150,810.25
5. Step 5: Solve for x
   x = 74,687,150,810.25/126,958
6. Step 6: Final answer
   x = 588,282.35