Finding the Third Proportional to 3,528 and 7,760

Step by Step Solution

1. Step 1: Write the proportion equation
   3,528 : 7,760 = 7,760 : x
2. Step 2: Convert to fraction form
   3,528/7,760 = 7,760/x
3. Step 3: Cross multiply
   3,528x = 7,760 × 7,760
4. Step 4: Simplify right side
   3,528x = 60,217,600
5. Step 5: Solve for x
   x = 60,217,600/3,528
6. Step 6: Final answer
   x = 17,068.48