Finding the Third Proportional to 21,368.81 and 33,172.03

Step by Step Solution

1. Step 1: Write the proportion equation
   21,368.81 : 33,172.03 = 33,172.03 : x
2. Step 2: Convert to fraction form
   21,368.81/33,172.03 = 33,172.03/x
3. Step 3: Cross multiply
   21,368.81x = 33,172.03 × 33,172.03
4. Step 4: Simplify right side
   21,368.81x = 1,100,383,657.25
5. Step 5: Solve for x
   x = 1,100,383,657.25/21,368.81
6. Step 6: Final answer
   x = 51,494.84