Finding the Third Proportional to 10,883.74 and 18,458.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,883.74 : 18,458.51 = 18,458.51 : x
2. Step 2: Convert to fraction form
   10,883.74/18,458.51 = 18,458.51/x
3. Step 3: Cross multiply
   10,883.74x = 18,458.51 × 18,458.51
4. Step 4: Simplify right side
   10,883.74x = 340,716,510.66
5. Step 5: Solve for x
   x = 340,716,510.66/10,883.74
6. Step 6: Final answer
   x = 31,305.09