Finding the Third Proportional to 1,317.94 and 3,057.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317.94 : 3,057.56 = 3,057.56 : x
2. Step 2: Convert to fraction form
   1,317.94/3,057.56 = 3,057.56/x
3. Step 3: Cross multiply
   1,317.94x = 3,057.56 × 3,057.56
4. Step 4: Simplify right side
   1,317.94x = 9,348,688.44
5. Step 5: Solve for x
   x = 9,348,688.44/1,317.94
6. Step 6: Final answer
   x = 7,093.42