Finding the Third Proportional to 793.78 and 1,130.72

Step by Step Solution

1. Step 1: Write the proportion equation
   793.78 : 1,130.72 = 1,130.72 : x
2. Step 2: Convert to fraction form
   793.78/1,130.72 = 1,130.72/x
3. Step 3: Cross multiply
   793.78x = 1,130.72 × 1,130.72
4. Step 4: Simplify right side
   793.78x = 1,278,524.89
5. Step 5: Solve for x
   x = 1,278,524.89/793.78
6. Step 6: Final answer
   x = 1,610.68