Finding the Third Proportional to 13,308 and 19,981

Step by Step Solution

1. Step 1: Write the proportion equation
   13,308 : 19,981 = 19,981 : x
2. Step 2: Convert to fraction form
   13,308/19,981 = 19,981/x
3. Step 3: Cross multiply
   13,308x = 19,981 × 19,981
4. Step 4: Simplify right side
   13,308x = 399,240,361
5. Step 5: Solve for x
   x = 399,240,361/13,308
6. Step 6: Final answer
   x = 30,000.03