Finding the Third Proportional to 3,512.25 and 7,540.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,512.25 : 7,540.31 = 7,540.31 : x
2. Step 2: Convert to fraction form
   3,512.25/7,540.31 = 7,540.31/x
3. Step 3: Cross multiply
   3,512.25x = 7,540.31 × 7,540.31
4. Step 4: Simplify right side
   3,512.25x = 56,856,312.60
5. Step 5: Solve for x
   x = 56,856,312.60/3,512.25
6. Step 6: Final answer
   x = 16,188.00