Finding the Third Proportional to 17,776 and 19,792

Step by Step Solution

1. Step 1: Write the proportion equation
   17,776 : 19,792 = 19,792 : x
2. Step 2: Convert to fraction form
   17,776/19,792 = 19,792/x
3. Step 3: Cross multiply
   17,776x = 19,792 × 19,792
4. Step 4: Simplify right side
   17,776x = 391,723,264
5. Step 5: Solve for x
   x = 391,723,264/17,776
6. Step 6: Final answer
   x = 22,036.64