Finding the Third Proportional to 21,856.50 and 33,435

Step by Step Solution

1. Step 1: Write the proportion equation
   21,856.50 : 33,435 = 33,435 : x
2. Step 2: Convert to fraction form
   21,856.50/33,435 = 33,435/x
3. Step 3: Cross multiply
   21,856.50x = 33,435 × 33,435
4. Step 4: Simplify right side
   21,856.50x = 1,117,899,225
5. Step 5: Solve for x
   x = 1,117,899,225/21,856.50
6. Step 6: Final answer
   x = 51,147.22