Finding the Third Proportional to 140,379 and 304,408.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,379 : 304,408.50 = 304,408.50 : x
2. Step 2: Convert to fraction form
   140,379/304,408.50 = 304,408.50/x
3. Step 3: Cross multiply
   140,379x = 304,408.50 × 304,408.50
4. Step 4: Simplify right side
   140,379x = 92,664,534,872.25
5. Step 5: Solve for x
   x = 92,664,534,872.25/140,379
6. Step 6: Final answer
   x = 660,102.54