Finding the Third Proportional to 245.38 and 429.94

Step by Step Solution

1. Step 1: Write the proportion equation
   245.38 : 429.94 = 429.94 : x
2. Step 2: Convert to fraction form
   245.38/429.94 = 429.94/x
3. Step 3: Cross multiply
   245.38x = 429.94 × 429.94
4. Step 4: Simplify right side
   245.38x = 184,846.25
5. Step 5: Solve for x
   x = 184,846.25/245.38
6. Step 6: Final answer
   x = 753.32