Finding the Third Proportional to 11,719.69 and 13,056.19

Step by Step Solution

1. Step 1: Write the proportion equation
   11,719.69 : 13,056.19 = 13,056.19 : x
2. Step 2: Convert to fraction form
   11,719.69/13,056.19 = 13,056.19/x
3. Step 3: Cross multiply
   11,719.69x = 13,056.19 × 13,056.19
4. Step 4: Simplify right side
   11,719.69x = 170,464,032.04
5. Step 5: Solve for x
   x = 170,464,032.04/11,719.69
6. Step 6: Final answer
   x = 14,545.10