Finding the Third Proportional to 21,300 and 33,705

Step by Step Solution

1. Step 1: Write the proportion equation
   21,300 : 33,705 = 33,705 : x
2. Step 2: Convert to fraction form
   21,300/33,705 = 33,705/x
3. Step 3: Cross multiply
   21,300x = 33,705 × 33,705
4. Step 4: Simplify right side
   21,300x = 1,136,027,025
5. Step 5: Solve for x
   x = 1,136,027,025/21,300
6. Step 6: Final answer
   x = 53,334.60