Finding the Third Proportional to 353,124 and 453,408.75

Step by Step Solution

1. Step 1: Write the proportion equation
   353,124 : 453,408.75 = 453,408.75 : x
2. Step 2: Convert to fraction form
   353,124/453,408.75 = 453,408.75/x
3. Step 3: Cross multiply
   353,124x = 453,408.75 × 453,408.75
4. Step 4: Simplify right side
   353,124x = 205,579,494,576.56
5. Step 5: Solve for x
   x = 205,579,494,576.56/353,124
6. Step 6: Final answer
   x = 582,173.67