Finding the Third Proportional to 17,574 and 19,446

Step by Step Solution

1. Step 1: Write the proportion equation
   17,574 : 19,446 = 19,446 : x
2. Step 2: Convert to fraction form
   17,574/19,446 = 19,446/x
3. Step 3: Cross multiply
   17,574x = 19,446 × 19,446
4. Step 4: Simplify right side
   17,574x = 378,146,916
5. Step 5: Solve for x
   x = 378,146,916/17,574
6. Step 6: Final answer
   x = 21,517.41