Finding the Third Proportional to 693.56 and 1,519.59

Step by Step Solution

1. Step 1: Write the proportion equation
   693.56 : 1,519.59 = 1,519.59 : x
2. Step 2: Convert to fraction form
   693.56/1,519.59 = 1,519.59/x
3. Step 3: Cross multiply
   693.56x = 1,519.59 × 1,519.59
4. Step 4: Simplify right side
   693.56x = 2,309,165.17
5. Step 5: Solve for x
   x = 2,309,165.17/693.56
6. Step 6: Final answer
   x = 3,329.43