Finding the Third Proportional to 9,623.81 and 12,195.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,623.81 : 12,195.56 = 12,195.56 : x
2. Step 2: Convert to fraction form
   9,623.81/12,195.56 = 12,195.56/x
3. Step 3: Cross multiply
   9,623.81x = 12,195.56 × 12,195.56
4. Step 4: Simplify right side
   9,623.81x = 148,731,744.69
5. Step 5: Solve for x
   x = 148,731,744.69/9,623.81
6. Step 6: Final answer
   x = 15,454.56