Finding the Third Proportional to 481.78 and 1,124.72

Step by Step Solution

1. Step 1: Write the proportion equation
   481.78 : 1,124.72 = 1,124.72 : x
2. Step 2: Convert to fraction form
   481.78/1,124.72 = 1,124.72/x
3. Step 3: Cross multiply
   481.78x = 1,124.72 × 1,124.72
4. Step 4: Simplify right side
   481.78x = 1,264,992.27
5. Step 5: Solve for x
   x = 1,264,992.27/481.78
6. Step 6: Final answer
   x = 2,625.66