Finding the Third Proportional to 12,499.69 and 17,579.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.69 : 17,579.81 = 17,579.81 : x
2. Step 2: Convert to fraction form
   12,499.69/17,579.81 = 17,579.81/x
3. Step 3: Cross multiply
   12,499.69x = 17,579.81 × 17,579.81
4. Step 4: Simplify right side
   12,499.69x = 309,049,807.54
5. Step 5: Solve for x
   x = 309,049,807.54/12,499.69
6. Step 6: Final answer
   x = 24,724.60