Finding the Third Proportional to 168,483 and 253,408.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,483 : 253,408.50 = 253,408.50 : x
2. Step 2: Convert to fraction form
   168,483/253,408.50 = 253,408.50/x
3. Step 3: Cross multiply
   168,483x = 253,408.50 × 253,408.50
4. Step 4: Simplify right side
   168,483x = 64,215,867,872.25
5. Step 5: Solve for x
   x = 64,215,867,872.25/168,483
6. Step 6: Final answer
   x = 381,141.53