Finding the Third Proportional to 579.34 and 883.72

Step by Step Solution

1. Step 1: Write the proportion equation
   579.34 : 883.72 = 883.72 : x
2. Step 2: Convert to fraction form
   579.34/883.72 = 883.72/x
3. Step 3: Cross multiply
   579.34x = 883.72 × 883.72
4. Step 4: Simplify right side
   579.34x = 780,965.73
5. Step 5: Solve for x
   x = 780,965.73/579.34
6. Step 6: Final answer
   x = 1,348.03