Finding the Third Proportional to 1,723.78 and 2,253.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,723.78 : 2,253.45 = 2,253.45 : x
2. Step 2: Convert to fraction form
   1,723.78/2,253.45 = 2,253.45/x
3. Step 3: Cross multiply
   1,723.78x = 2,253.45 × 2,253.45
4. Step 4: Simplify right side
   1,723.78x = 5,078,015.78
5. Step 5: Solve for x
   x = 5,078,015.78/1,723.78
6. Step 6: Final answer
   x = 2,945.86