Finding the Third Proportional to 2,235.09 and 4,777.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,235.09 : 4,777.31 = 4,777.31 : x
2. Step 2: Convert to fraction form
   2,235.09/4,777.31 = 4,777.31/x
3. Step 3: Cross multiply
   2,235.09x = 4,777.31 × 4,777.31
4. Step 4: Simplify right side
   2,235.09x = 22,822,714.72
5. Step 5: Solve for x
   x = 22,822,714.72/2,235.09
6. Step 6: Final answer
   x = 10,211.08