Finding the Third Proportional to 65,836 and 139,515

Step by Step Solution

1. Step 1: Write the proportion equation
   65,836 : 139,515 = 139,515 : x
2. Step 2: Convert to fraction form
   65,836/139,515 = 139,515/x
3. Step 3: Cross multiply
   65,836x = 139,515 × 139,515
4. Step 4: Simplify right side
   65,836x = 19,464,435,225
5. Step 5: Solve for x
   x = 19,464,435,225/65,836
6. Step 6: Final answer
   x = 295,650.33