Finding the Third Proportional to 3,681.72 and 7,947.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,681.72 : 7,947.22 = 7,947.22 : x
2. Step 2: Convert to fraction form
   3,681.72/7,947.22 = 7,947.22/x
3. Step 3: Cross multiply
   3,681.72x = 7,947.22 × 7,947.22
4. Step 4: Simplify right side
   3,681.72x = 63,158,231.53
5. Step 5: Solve for x
   x = 63,158,231.53/3,681.72
6. Step 6: Final answer
   x = 17,154.53