Finding the Third Proportional to 2,123.03 and 4,340.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.03 : 4,340.56 = 4,340.56 : x
2. Step 2: Convert to fraction form
   2,123.03/4,340.56 = 4,340.56/x
3. Step 3: Cross multiply
   2,123.03x = 4,340.56 × 4,340.56
4. Step 4: Simplify right side
   2,123.03x = 18,840,482.82
5. Step 5: Solve for x
   x = 18,840,482.82/2,123.03
6. Step 6: Final answer
   x = 8,874.33