Finding the Third Proportional to 429.44 and 1,019.56

Step by Step Solution

1. Step 1: Write the proportion equation
   429.44 : 1,019.56 = 1,019.56 : x
2. Step 2: Convert to fraction form
   429.44/1,019.56 = 1,019.56/x
3. Step 3: Cross multiply
   429.44x = 1,019.56 × 1,019.56
4. Step 4: Simplify right side
   429.44x = 1,039,507.69
5. Step 5: Solve for x
   x = 1,039,507.69/429.44
6. Step 6: Final answer
   x = 2,420.63