Finding the Third Proportional to 17,399.25 and 31,342.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,399.25 : 31,342.50 = 31,342.50 : x
2. Step 2: Convert to fraction form
   17,399.25/31,342.50 = 31,342.50/x
3. Step 3: Cross multiply
   17,399.25x = 31,342.50 × 31,342.50
4. Step 4: Simplify right side
   17,399.25x = 982,352,306.25
5. Step 5: Solve for x
   x = 982,352,306.25/17,399.25
6. Step 6: Final answer
   x = 56,459.46