Finding the Third Proportional to 10,021.50 and 21,804.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,021.50 : 21,804.75 = 21,804.75 : x
2. Step 2: Convert to fraction form
   10,021.50/21,804.75 = 21,804.75/x
3. Step 3: Cross multiply
   10,021.50x = 21,804.75 × 21,804.75
4. Step 4: Simplify right side
   10,021.50x = 475,447,122.56
5. Step 5: Solve for x
   x = 475,447,122.56/10,021.50
6. Step 6: Final answer
   x = 47,442.71