Finding the Third Proportional to 17,647 and 19,492

Step by Step Solution

1. Step 1: Write the proportion equation
   17,647 : 19,492 = 19,492 : x
2. Step 2: Convert to fraction form
   17,647/19,492 = 19,492/x
3. Step 3: Cross multiply
   17,647x = 19,492 × 19,492
4. Step 4: Simplify right side
   17,647x = 379,938,064
5. Step 5: Solve for x
   x = 379,938,064/17,647
6. Step 6: Final answer
   x = 21,529.90