Finding the Third Proportional to 3,617.25 and 7,929.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,617.25 : 7,929.38 = 7,929.38 : x
2. Step 2: Convert to fraction form
   3,617.25/7,929.38 = 7,929.38/x
3. Step 3: Cross multiply
   3,617.25x = 7,929.38 × 7,929.38
4. Step 4: Simplify right side
   3,617.25x = 62,874,987.89
5. Step 5: Solve for x
   x = 62,874,987.89/3,617.25
6. Step 6: Final answer
   x = 17,381.99