Finding the Third Proportional to 263,200.88 and 397,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   263,200.88 : 397,171.50 = 397,171.50 : x
2. Step 2: Convert to fraction form
   263,200.88/397,171.50 = 397,171.50/x
3. Step 3: Cross multiply
   263,200.88x = 397,171.50 × 397,171.50
4. Step 4: Simplify right side
   263,200.88x = 157,745,200,412.25
5. Step 5: Solve for x
   x = 157,745,200,412.25/263,200.88
6. Step 6: Final answer
   x = 599,333.88