Finding the Third Proportional to 20,243.25 and 30,645

Step by Step Solution

1. Step 1: Write the proportion equation
   20,243.25 : 30,645 = 30,645 : x
2. Step 2: Convert to fraction form
   20,243.25/30,645 = 30,645/x
3. Step 3: Cross multiply
   20,243.25x = 30,645 × 30,645
4. Step 4: Simplify right side
   20,243.25x = 939,116,025
5. Step 5: Solve for x
   x = 939,116,025/20,243.25
6. Step 6: Final answer
   x = 46,391.56