Finding the Third Proportional to 1,327.78 and 2,057.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,327.78 : 2,057.06 = 2,057.06 : x
2. Step 2: Convert to fraction form
   1,327.78/2,057.06 = 2,057.06/x
3. Step 3: Cross multiply
   1,327.78x = 2,057.06 × 2,057.06
4. Step 4: Simplify right side
   1,327.78x = 4,231,506.13
5. Step 5: Solve for x
   x = 4,231,506.13/1,327.78
6. Step 6: Final answer
   x = 3,186.90