Finding the Third Proportional to 303.05 and 429.05

Step by Step Solution

1. Step 1: Write the proportion equation
   303.05 : 429.05 = 429.05 : x
2. Step 2: Convert to fraction form
   303.05/429.05 = 429.05/x
3. Step 3: Cross multiply
   303.05x = 429.05 × 429.05
4. Step 4: Simplify right side
   303.05x = 184,081.22
5. Step 5: Solve for x
   x = 184,081.22/303.05
6. Step 6: Final answer
   x = 607.43