Finding the Third Proportional to 314,544 and 673,169.25

Step by Step Solution

1. Step 1: Write the proportion equation
   314,544 : 673,169.25 = 673,169.25 : x
2. Step 2: Convert to fraction form
   314,544/673,169.25 = 673,169.25/x
3. Step 3: Cross multiply
   314,544x = 673,169.25 × 673,169.25
4. Step 4: Simplify right side
   314,544x = 453,156,839,145.56
5. Step 5: Solve for x
   x = 453,156,839,145.56/314,544
6. Step 6: Final answer
   x = 1,440,678.69