Finding the Third Proportional to 7,345.69 and 17,318.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,345.69 : 17,318.81 = 17,318.81 : x
2. Step 2: Convert to fraction form
   7,345.69/17,318.81 = 17,318.81/x
3. Step 3: Cross multiply
   7,345.69x = 17,318.81 × 17,318.81
4. Step 4: Simplify right side
   7,345.69x = 299,941,266.41
5. Step 5: Solve for x
   x = 299,941,266.41/7,345.69
6. Step 6: Final answer
   x = 40,832.29