Finding the Third Proportional to 9,943.03 and 21,442.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,943.03 : 21,442.78 = 21,442.78 : x
2. Step 2: Convert to fraction form
   9,943.03/21,442.78 = 21,442.78/x
3. Step 3: Cross multiply
   9,943.03x = 21,442.78 × 21,442.78
4. Step 4: Simplify right side
   9,943.03x = 459,792,867.74
5. Step 5: Solve for x
   x = 459,792,867.74/9,943.03
6. Step 6: Final answer
   x = 46,242.73