Finding the Third Proportional to 21,819.75 and 33,363.94

Step by Step Solution

1. Step 1: Write the proportion equation
   21,819.75 : 33,363.94 = 33,363.94 : x
2. Step 2: Convert to fraction form
   21,819.75/33,363.94 = 33,363.94/x
3. Step 3: Cross multiply
   21,819.75x = 33,363.94 × 33,363.94
4. Step 4: Simplify right side
   21,819.75x = 1,113,152,325.50
5. Step 5: Solve for x
   x = 1,113,152,325.50/21,819.75
6. Step 6: Final answer
   x = 51,015.81