Finding the Third Proportional to 3,099.38 and 6,501.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,099.38 : 6,501.94 = 6,501.94 : x
2. Step 2: Convert to fraction form
   3,099.38/6,501.94 = 6,501.94/x
3. Step 3: Cross multiply
   3,099.38x = 6,501.94 × 6,501.94
4. Step 4: Simplify right side
   3,099.38x = 42,275,191.25
5. Step 5: Solve for x
   x = 42,275,191.25/3,099.38
6. Step 6: Final answer
   x = 13,639.91