Finding the Third Proportional to 314,715.38 and 673,603.59

Step by Step Solution

1. Step 1: Write the proportion equation
   314,715.38 : 673,603.59 = 673,603.59 : x
2. Step 2: Convert to fraction form
   314,715.38/673,603.59 = 673,603.59/x
3. Step 3: Cross multiply
   314,715.38x = 673,603.59 × 673,603.59
4. Step 4: Simplify right side
   314,715.38x = 453,741,801,512.92
5. Step 5: Solve for x
   x = 453,741,801,512.92/314,715.38
6. Step 6: Final answer
   x = 1,441,752.89