Finding the Third Proportional to 3,663.31 and 8,028.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.31 : 8,028.63 = 8,028.63 : x
2. Step 2: Convert to fraction form
   3,663.31/8,028.63 = 8,028.63/x
3. Step 3: Cross multiply
   3,663.31x = 8,028.63 × 8,028.63
4. Step 4: Simplify right side
   3,663.31x = 64,458,819.39
5. Step 5: Solve for x
   x = 64,458,819.39/3,663.31
6. Step 6: Final answer
   x = 17,595.77