Finding the Third Proportional to 300.94 and 625.57

Step by Step Solution

1. Step 1: Write the proportion equation
   300.94 : 625.57 = 625.57 : x
2. Step 2: Convert to fraction form
   300.94/625.57 = 625.57/x
3. Step 3: Cross multiply
   300.94x = 625.57 × 625.57
4. Step 4: Simplify right side
   300.94x = 391,338.22
5. Step 5: Solve for x
   x = 391,338.22/300.94
6. Step 6: Final answer
   x = 1,300.40