Finding the Third Proportional to 3,521.25 and 7,491.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,521.25 : 7,491.38 = 7,491.38 : x
2. Step 2: Convert to fraction form
   3,521.25/7,491.38 = 7,491.38/x
3. Step 3: Cross multiply
   3,521.25x = 7,491.38 × 7,491.38
4. Step 4: Simplify right side
   3,521.25x = 56,120,699.39
5. Step 5: Solve for x
   x = 56,120,699.39/3,521.25
6. Step 6: Final answer
   x = 15,937.72