Finding the Third Proportional to 1,560.94 and 3,320.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,560.94 : 3,320.53 = 3,320.53 : x
2. Step 2: Convert to fraction form
   1,560.94/3,320.53 = 3,320.53/x
3. Step 3: Cross multiply
   1,560.94x = 3,320.53 × 3,320.53
4. Step 4: Simplify right side
   1,560.94x = 11,025,927.78
5. Step 5: Solve for x
   x = 11,025,927.78/1,560.94
6. Step 6: Final answer
   x = 7,063.66