Finding the Third Proportional to 65,018 and 139,252

Step by Step Solution

1. Step 1: Write the proportion equation
   65,018 : 139,252 = 139,252 : x
2. Step 2: Convert to fraction form
   65,018/139,252 = 139,252/x
3. Step 3: Cross multiply
   65,018x = 139,252 × 139,252
4. Step 4: Simplify right side
   65,018x = 19,391,119,504
5. Step 5: Solve for x
   x = 19,391,119,504/65,018
6. Step 6: Final answer
   x = 298,242.33