Finding the Third Proportional to 429.56 and 928.31

Step by Step Solution

1. Step 1: Write the proportion equation
   429.56 : 928.31 = 928.31 : x
2. Step 2: Convert to fraction form
   429.56/928.31 = 928.31/x
3. Step 3: Cross multiply
   429.56x = 928.31 × 928.31
4. Step 4: Simplify right side
   429.56x = 861,764.10
5. Step 5: Solve for x
   x = 861,764.10/429.56
6. Step 6: Final answer
   x = 2,006.14