Finding the Third Proportional to 21,783 and 33,790.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,783 : 33,790.50 = 33,790.50 : x
2. Step 2: Convert to fraction form
   21,783/33,790.50 = 33,790.50/x
3. Step 3: Cross multiply
   21,783x = 33,790.50 × 33,790.50
4. Step 4: Simplify right side
   21,783x = 1,141,797,890.25
5. Step 5: Solve for x
   x = 1,141,797,890.25/21,783
6. Step 6: Final answer
   x = 52,416.93