Finding the Third Proportional to 2,255.34 and 4,857.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,255.34 : 4,857.47 = 4,857.47 : x
2. Step 2: Convert to fraction form
   2,255.34/4,857.47 = 4,857.47/x
3. Step 3: Cross multiply
   2,255.34x = 4,857.47 × 4,857.47
4. Step 4: Simplify right side
   2,255.34x = 23,595,002.66
5. Step 5: Solve for x
   x = 23,595,002.66/2,255.34
6. Step 6: Final answer
   x = 10,461.82