Finding the Third Proportional to 18,076.50 and 18,623.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,076.50 : 18,623.25 = 18,623.25 : x
2. Step 2: Convert to fraction form
   18,076.50/18,623.25 = 18,623.25/x
3. Step 3: Cross multiply
   18,076.50x = 18,623.25 × 18,623.25
4. Step 4: Simplify right side
   18,076.50x = 346,825,440.56
5. Step 5: Solve for x
   x = 346,825,440.56/18,076.50
6. Step 6: Final answer
   x = 19,186.54