Finding the Third Proportional to 17,218 and 19,010

Step by Step Solution

1. Step 1: Write the proportion equation
   17,218 : 19,010 = 19,010 : x
2. Step 2: Convert to fraction form
   17,218/19,010 = 19,010/x
3. Step 3: Cross multiply
   17,218x = 19,010 × 19,010
4. Step 4: Simplify right side
   17,218x = 361,380,100
5. Step 5: Solve for x
   x = 361,380,100/17,218
6. Step 6: Final answer
   x = 20,988.51