Finding the Third Proportional to 19,398 and 41,890

Step by Step Solution

1. Step 1: Write the proportion equation
   19,398 : 41,890 = 41,890 : x
2. Step 2: Convert to fraction form
   19,398/41,890 = 41,890/x
3. Step 3: Cross multiply
   19,398x = 41,890 × 41,890
4. Step 4: Simplify right side
   19,398x = 1,754,772,100
5. Step 5: Solve for x
   x = 1,754,772,100/19,398
6. Step 6: Final answer
   x = 90,461.50