Finding the Third Proportional to 11,490.19 and 13,150.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,490.19 : 13,150.69 = 13,150.69 : x
2. Step 2: Convert to fraction form
   11,490.19/13,150.69 = 13,150.69/x
3. Step 3: Cross multiply
   11,490.19x = 13,150.69 × 13,150.69
4. Step 4: Simplify right side
   11,490.19x = 172,940,581.72
5. Step 5: Solve for x
   x = 172,940,581.72/11,490.19
6. Step 6: Final answer
   x = 15,051.15