Finding the Third Proportional to 9,487 and 19,973

Step by Step Solution

1. Step 1: Write the proportion equation
   9,487 : 19,973 = 19,973 : x
2. Step 2: Convert to fraction form
   9,487/19,973 = 19,973/x
3. Step 3: Cross multiply
   9,487x = 19,973 × 19,973
4. Step 4: Simplify right side
   9,487x = 398,920,729
5. Step 5: Solve for x
   x = 398,920,729/9,487
6. Step 6: Final answer
   x = 42,049.20