Finding the Third Proportional to 11,151.42 and 12,366.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,151.42 : 12,366.42 = 12,366.42 : x
2. Step 2: Convert to fraction form
   11,151.42/12,366.42 = 12,366.42/x
3. Step 3: Cross multiply
   11,151.42x = 12,366.42 × 12,366.42
4. Step 4: Simplify right side
   11,151.42x = 152,928,389.99
5. Step 5: Solve for x
   x = 152,928,389.99/11,151.42
6. Step 6: Final answer
   x = 13,713.80