Finding the Third Proportional to 65,016 and 139,248

Step by Step Solution

1. Step 1: Write the proportion equation
   65,016 : 139,248 = 139,248 : x
2. Step 2: Convert to fraction form
   65,016/139,248 = 139,248/x
3. Step 3: Cross multiply
   65,016x = 139,248 × 139,248
4. Step 4: Simplify right side
   65,016x = 19,390,005,504
5. Step 5: Solve for x
   x = 19,390,005,504/65,016
6. Step 6: Final answer
   x = 298,234.37