Finding the Third Proportional to 3,099.94 and 7,187.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,099.94 : 7,187.06 = 7,187.06 : x
2. Step 2: Convert to fraction form
   3,099.94/7,187.06 = 7,187.06/x
3. Step 3: Cross multiply
   3,099.94x = 7,187.06 × 7,187.06
4. Step 4: Simplify right side
   3,099.94x = 51,653,867.38
5. Step 5: Solve for x
   x = 51,653,867.38/3,099.94
6. Step 6: Final answer
   x = 16,662.87