Finding the Third Proportional to 10,561.50 and 11,472.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,561.50 : 11,472.75 = 11,472.75 : x
2. Step 2: Convert to fraction form
   10,561.50/11,472.75 = 11,472.75/x
3. Step 3: Cross multiply
   10,561.50x = 11,472.75 × 11,472.75
4. Step 4: Simplify right side
   10,561.50x = 131,623,992.56
5. Step 5: Solve for x
   x = 131,623,992.56/10,561.50
6. Step 6: Final answer
   x = 12,462.62