Finding the Third Proportional to 7,107.75 and 9,123.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,107.75 : 9,123.89 = 9,123.89 : x
2. Step 2: Convert to fraction form
   7,107.75/9,123.89 = 9,123.89/x
3. Step 3: Cross multiply
   7,107.75x = 9,123.89 × 9,123.89
4. Step 4: Simplify right side
   7,107.75x = 83,245,380.14
5. Step 5: Solve for x
   x = 83,245,380.14/7,107.75
6. Step 6: Final answer
   x = 11,711.92