Finding the Third Proportional to 3,715.50 and 7,693.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,715.50 : 7,693.69 = 7,693.69 : x
2. Step 2: Convert to fraction form
   3,715.50/7,693.69 = 7,693.69/x
3. Step 3: Cross multiply
   3,715.50x = 7,693.69 × 7,693.69
4. Step 4: Simplify right side
   3,715.50x = 59,192,827.35
5. Step 5: Solve for x
   x = 59,192,827.35/3,715.50
6. Step 6: Final answer
   x = 15,931.32