Finding the Third Proportional to 21,811.50 and 33,156

Step by Step Solution

1. Step 1: Write the proportion equation
   21,811.50 : 33,156 = 33,156 : x
2. Step 2: Convert to fraction form
   21,811.50/33,156 = 33,156/x
3. Step 3: Cross multiply
   21,811.50x = 33,156 × 33,156
4. Step 4: Simplify right side
   21,811.50x = 1,099,320,336
5. Step 5: Solve for x
   x = 1,099,320,336/21,811.50
6. Step 6: Final answer
   x = 50,400.95