Finding the Third Proportional to 3,667.75 and 7,920.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.75 : 7,920.13 = 7,920.13 : x
2. Step 2: Convert to fraction form
   3,667.75/7,920.13 = 7,920.13/x
3. Step 3: Cross multiply
   3,667.75x = 7,920.13 × 7,920.13
4. Step 4: Simplify right side
   3,667.75x = 62,728,380.02
5. Step 5: Solve for x
   x = 62,728,380.02/3,667.75
6. Step 6: Final answer
   x = 17,102.69