Finding the Third Proportional to 13,488 and 21,112

Step by Step Solution

1. Step 1: Write the proportion equation
   13,488 : 21,112 = 21,112 : x
2. Step 2: Convert to fraction form
   13,488/21,112 = 21,112/x
3. Step 3: Cross multiply
   13,488x = 21,112 × 21,112
4. Step 4: Simplify right side
   13,488x = 445,716,544
5. Step 5: Solve for x
   x = 445,716,544/13,488
6. Step 6: Final answer
   x = 33,045.41