Finding the Third Proportional to 21,328 and 33,454.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,328 : 33,454.50 = 33,454.50 : x
2. Step 2: Convert to fraction form
   21,328/33,454.50 = 33,454.50/x
3. Step 3: Cross multiply
   21,328x = 33,454.50 × 33,454.50
4. Step 4: Simplify right side
   21,328x = 1,119,203,570.25
5. Step 5: Solve for x
   x = 1,119,203,570.25/21,328
6. Step 6: Final answer
   x = 52,475.79