Finding the Third Proportional to 300,960 and 673,216

Step by Step Solution

1. Step 1: Write the proportion equation
   300,960 : 673,216 = 673,216 : x
2. Step 2: Convert to fraction form
   300,960/673,216 = 673,216/x
3. Step 3: Cross multiply
   300,960x = 673,216 × 673,216
4. Step 4: Simplify right side
   300,960x = 453,219,782,656
5. Step 5: Solve for x
   x = 453,219,782,656/300,960
6. Step 6: Final answer
   x = 1,505,913.69