Finding the Third Proportional to 21,003 and 33,273.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,003 : 33,273.50 = 33,273.50 : x
2. Step 2: Convert to fraction form
   21,003/33,273.50 = 33,273.50/x
3. Step 3: Cross multiply
   21,003x = 33,273.50 × 33,273.50
4. Step 4: Simplify right side
   21,003x = 1,107,125,802.25
5. Step 5: Solve for x
   x = 1,107,125,802.25/21,003
6. Step 6: Final answer
   x = 52,712.75