Finding the Third Proportional to 10,514.25 and 21,777.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,514.25 : 21,777.75 = 21,777.75 : x
2. Step 2: Convert to fraction form
   10,514.25/21,777.75 = 21,777.75/x
3. Step 3: Cross multiply
   10,514.25x = 21,777.75 × 21,777.75
4. Step 4: Simplify right side
   10,514.25x = 474,270,395.06
5. Step 5: Solve for x
   x = 474,270,395.06/10,514.25
6. Step 6: Final answer
   x = 45,107.39