Finding the Third Proportional to 17,970 and 19,806

Step by Step Solution

1. Step 1: Write the proportion equation
   17,970 : 19,806 = 19,806 : x
2. Step 2: Convert to fraction form
   17,970/19,806 = 19,806/x
3. Step 3: Cross multiply
   17,970x = 19,806 × 19,806
4. Step 4: Simplify right side
   17,970x = 392,277,636
5. Step 5: Solve for x
   x = 392,277,636/17,970
6. Step 6: Final answer
   x = 21,829.58