Finding the Third Proportional to 3,485.81 and 7,606.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,485.81 : 7,606.69 = 7,606.69 : x
2. Step 2: Convert to fraction form
   3,485.81/7,606.69 = 7,606.69/x
3. Step 3: Cross multiply
   3,485.81x = 7,606.69 × 7,606.69
4. Step 4: Simplify right side
   3,485.81x = 57,861,694.72
5. Step 5: Solve for x
   x = 57,861,694.72/3,485.81
6. Step 6: Final answer
   x = 16,599.20