Finding the Third Proportional to 18,286.88 and 23,887.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,286.88 : 23,887.69 = 23,887.69 : x
2. Step 2: Convert to fraction form
   18,286.88/23,887.69 = 23,887.69/x
3. Step 3: Cross multiply
   18,286.88x = 23,887.69 × 23,887.69
4. Step 4: Simplify right side
   18,286.88x = 570,621,614.10
5. Step 5: Solve for x
   x = 570,621,614.10/18,286.88
6. Step 6: Final answer
   x = 31,203.89