Finding the Third Proportional to 3,645.50 and 7,959.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645.50 : 7,959.25 = 7,959.25 : x
2. Step 2: Convert to fraction form
   3,645.50/7,959.25 = 7,959.25/x
3. Step 3: Cross multiply
   3,645.50x = 7,959.25 × 7,959.25
4. Step 4: Simplify right side
   3,645.50x = 63,349,660.56
5. Step 5: Solve for x
   x = 63,349,660.56/3,645.50
6. Step 6: Final answer
   x = 17,377.50