Finding the Third Proportional to 18,916.50 and 41,109

Step by Step Solution

1. Step 1: Write the proportion equation
   18,916.50 : 41,109 = 41,109 : x
2. Step 2: Convert to fraction form
   18,916.50/41,109 = 41,109/x
3. Step 3: Cross multiply
   18,916.50x = 41,109 × 41,109
4. Step 4: Simplify right side
   18,916.50x = 1,689,949,881
5. Step 5: Solve for x
   x = 1,689,949,881/18,916.50
6. Step 6: Final answer
   x = 89,337.34