Finding the Third Proportional to 18,315.50 and 39,223

Step by Step Solution

1. Step 1: Write the proportion equation
   18,315.50 : 39,223 = 39,223 : x
2. Step 2: Convert to fraction form
   18,315.50/39,223 = 39,223/x
3. Step 3: Cross multiply
   18,315.50x = 39,223 × 39,223
4. Step 4: Simplify right side
   18,315.50x = 1,538,443,729
5. Step 5: Solve for x
   x = 1,538,443,729/18,315.50
6. Step 6: Final answer
   x = 83,996.82