Finding the Third Proportional to 10,270.69 and 21,865.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,270.69 : 21,865.57 = 21,865.57 : x
2. Step 2: Convert to fraction form
   10,270.69/21,865.57 = 21,865.57/x
3. Step 3: Cross multiply
   10,270.69x = 21,865.57 × 21,865.57
4. Step 4: Simplify right side
   10,270.69x = 478,103,165.09
5. Step 5: Solve for x
   x = 478,103,165.09/10,270.69
6. Step 6: Final answer
   x = 46,550.26