Finding the Third Proportional to 21,810 and 33,568.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,810 : 33,568.50 = 33,568.50 : x
2. Step 2: Convert to fraction form
   21,810/33,568.50 = 33,568.50/x
3. Step 3: Cross multiply
   21,810x = 33,568.50 × 33,568.50
4. Step 4: Simplify right side
   21,810x = 1,126,844,192.25
5. Step 5: Solve for x
   x = 1,126,844,192.25/21,810
6. Step 6: Final answer
   x = 51,666.40