Finding the Third Proportional to 10,657 and 19,981

Step by Step Solution

1. Step 1: Write the proportion equation
   10,657 : 19,981 = 19,981 : x
2. Step 2: Convert to fraction form
   10,657/19,981 = 19,981/x
3. Step 3: Cross multiply
   10,657x = 19,981 × 19,981
4. Step 4: Simplify right side
   10,657x = 399,240,361
5. Step 5: Solve for x
   x = 399,240,361/10,657
6. Step 6: Final answer
   x = 37,462.73