Finding the Third Proportional to 19,806 and 41,245

Step by Step Solution

1. Step 1: Write the proportion equation
   19,806 : 41,245 = 41,245 : x
2. Step 2: Convert to fraction form
   19,806/41,245 = 41,245/x
3. Step 3: Cross multiply
   19,806x = 41,245 × 41,245
4. Step 4: Simplify right side
   19,806x = 1,701,150,025
5. Step 5: Solve for x
   x = 1,701,150,025/19,806
6. Step 6: Final answer
   x = 85,890.64