Finding the Third Proportional to 3,628.97 and 7,918.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,628.97 : 7,918.59 = 7,918.59 : x
2. Step 2: Convert to fraction form
   3,628.97/7,918.59 = 7,918.59/x
3. Step 3: Cross multiply
   3,628.97x = 7,918.59 × 7,918.59
4. Step 4: Simplify right side
   3,628.97x = 62,704,126.98
5. Step 5: Solve for x
   x = 62,704,126.98/3,628.97
6. Step 6: Final answer
   x = 17,278.77