Finding the Third Proportional to 18,912 and 41,104.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,912 : 41,104.50 = 41,104.50 : x
2. Step 2: Convert to fraction form
   18,912/41,104.50 = 41,104.50/x
3. Step 3: Cross multiply
   18,912x = 41,104.50 × 41,104.50
4. Step 4: Simplify right side
   18,912x = 1,689,579,920.25
5. Step 5: Solve for x
   x = 1,689,579,920.25/18,912
6. Step 6: Final answer
   x = 89,339.04