Finding the Third Proportional to 21,666.75 and 47,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,666.75 : 47,321.50 = 47,321.50 : x
2. Step 2: Convert to fraction form
   21,666.75/47,321.50 = 47,321.50/x
3. Step 3: Cross multiply
   21,666.75x = 47,321.50 × 47,321.50
4. Step 4: Simplify right side
   21,666.75x = 2,239,324,362.25
5. Step 5: Solve for x
   x = 2,239,324,362.25/21,666.75
6. Step 6: Final answer
   x = 103,353.03