Finding the Third Proportional to 3,586.78 and 7,819.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,586.78 : 7,819.03 = 7,819.03 : x
2. Step 2: Convert to fraction form
   3,586.78/7,819.03 = 7,819.03/x
3. Step 3: Cross multiply
   3,586.78x = 7,819.03 × 7,819.03
4. Step 4: Simplify right side
   3,586.78x = 61,137,249.69
5. Step 5: Solve for x
   x = 61,137,249.69/3,586.78
6. Step 6: Final answer
   x = 17,045.16