Finding the Third Proportional to 21,283 and 33,684.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,283 : 33,684.50 = 33,684.50 : x
2. Step 2: Convert to fraction form
   21,283/33,684.50 = 33,684.50/x
3. Step 3: Cross multiply
   21,283x = 33,684.50 × 33,684.50
4. Step 4: Simplify right side
   21,283x = 1,134,645,540.25
5. Step 5: Solve for x
   x = 1,134,645,540.25/21,283
6. Step 6: Final answer
   x = 53,312.29