Finding the Third Proportional to 2,123.44 and 4,504.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.44 : 4,504.78 = 4,504.78 : x
2. Step 2: Convert to fraction form
   2,123.44/4,504.78 = 4,504.78/x
3. Step 3: Cross multiply
   2,123.44x = 4,504.78 × 4,504.78
4. Step 4: Simplify right side
   2,123.44x = 20,293,054.11
5. Step 5: Solve for x
   x = 20,293,054.11/2,123.44
6. Step 6: Final answer
   x = 9,556.70