Finding the Third Proportional to 3,577.61 and 7,936.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,577.61 : 7,936.42 = 7,936.42 : x
2. Step 2: Convert to fraction form
   3,577.61/7,936.42 = 7,936.42/x
3. Step 3: Cross multiply
   3,577.61x = 7,936.42 × 7,936.42
4. Step 4: Simplify right side
   3,577.61x = 62,986,730.17
5. Step 5: Solve for x
   x = 62,986,730.17/3,577.61
6. Step 6: Final answer
   x = 17,605.83