Finding the Third Proportional to 65,745.50 and 139,682

Step by Step Solution

1. Step 1: Write the proportion equation
   65,745.50 : 139,682 = 139,682 : x
2. Step 2: Convert to fraction form
   65,745.50/139,682 = 139,682/x
3. Step 3: Cross multiply
   65,745.50x = 139,682 × 139,682
4. Step 4: Simplify right side
   65,745.50x = 19,511,061,124
5. Step 5: Solve for x
   x = 19,511,061,124/65,745.50
6. Step 6: Final answer
   x = 296,766.49