Finding the Third Proportional to 3,595.05 and 7,689.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,595.05 : 7,689.89 = 7,689.89 : x
2. Step 2: Convert to fraction form
   3,595.05/7,689.89 = 7,689.89/x
3. Step 3: Cross multiply
   3,595.05x = 7,689.89 × 7,689.89
4. Step 4: Simplify right side
   3,595.05x = 59,134,417.82
5. Step 5: Solve for x
   x = 59,134,417.82/3,595.05
6. Step 6: Final answer
   x = 16,448.82