Finding the Third Proportional to 3,645.70 and 7,997.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645.70 : 7,997.48 = 7,997.48 : x
2. Step 2: Convert to fraction form
   3,645.70/7,997.48 = 7,997.48/x
3. Step 3: Cross multiply
   3,645.70x = 7,997.48 × 7,997.48
4. Step 4: Simplify right side
   3,645.70x = 63,959,756.33
5. Step 5: Solve for x
   x = 63,959,756.33/3,645.70
6. Step 6: Final answer
   x = 17,543.87