Finding the Third Proportional to 1,253.81 and 2,047.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.81 : 2,047.78 = 2,047.78 : x
2. Step 2: Convert to fraction form
   1,253.81/2,047.78 = 2,047.78/x
3. Step 3: Cross multiply
   1,253.81x = 2,047.78 × 2,047.78
4. Step 4: Simplify right side
   1,253.81x = 4,193,408.05
5. Step 5: Solve for x
   x = 4,193,408.05/1,253.81
6. Step 6: Final answer
   x = 3,344.53