Finding the Third Proportional to 21,453.75 and 47,270.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,453.75 : 47,270.50 = 47,270.50 : x
2. Step 2: Convert to fraction form
   21,453.75/47,270.50 = 47,270.50/x
3. Step 3: Cross multiply
   21,453.75x = 47,270.50 × 47,270.50
4. Step 4: Simplify right side
   21,453.75x = 2,234,500,170.25
5. Step 5: Solve for x
   x = 2,234,500,170.25/21,453.75
6. Step 6: Final answer
   x = 104,154.29