Finding the Third Proportional to 8,117.72 and 17,409.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,117.72 : 17,409.94 = 17,409.94 : x
2. Step 2: Convert to fraction form
   8,117.72/17,409.94 = 17,409.94/x
3. Step 3: Cross multiply
   8,117.72x = 17,409.94 × 17,409.94
4. Step 4: Simplify right side
   8,117.72x = 303,105,923.75
5. Step 5: Solve for x
   x = 303,105,923.75/8,117.72
6. Step 6: Final answer
   x = 37,338.81