Finding the Third Proportional to 18,105.50 and 37,864.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,105.50 : 37,864.50 = 37,864.50 : x
2. Step 2: Convert to fraction form
   18,105.50/37,864.50 = 37,864.50/x
3. Step 3: Cross multiply
   18,105.50x = 37,864.50 × 37,864.50
4. Step 4: Simplify right side
   18,105.50x = 1,433,720,360.25
5. Step 5: Solve for x
   x = 1,433,720,360.25/18,105.50
6. Step 6: Final answer
   x = 79,187.01