Finding the Third Proportional to 311,676.75 and 673,182

Step by Step Solution

1. Step 1: Write the proportion equation
   311,676.75 : 673,182 = 673,182 : x
2. Step 2: Convert to fraction form
   311,676.75/673,182 = 673,182/x
3. Step 3: Cross multiply
   311,676.75x = 673,182 × 673,182
4. Step 4: Simplify right side
   311,676.75x = 453,174,005,124
5. Step 5: Solve for x
   x = 453,174,005,124/311,676.75
6. Step 6: Final answer
   x = 1,453,987.20