Finding the Third Proportional to 3,699.38 and 7,869.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699.38 : 7,869.56 = 7,869.56 : x
2. Step 2: Convert to fraction form
   3,699.38/7,869.56 = 7,869.56/x
3. Step 3: Cross multiply
   3,699.38x = 7,869.56 × 7,869.56
4. Step 4: Simplify right side
   3,699.38x = 61,930,013.94
5. Step 5: Solve for x
   x = 61,930,013.94/3,699.38
6. Step 6: Final answer
   x = 16,740.67