Finding the Third Proportional to 65,997 and 139,419

Step by Step Solution

1. Step 1: Write the proportion equation
   65,997 : 139,419 = 139,419 : x
2. Step 2: Convert to fraction form
   65,997/139,419 = 139,419/x
3. Step 3: Cross multiply
   65,997x = 139,419 × 139,419
4. Step 4: Simplify right side
   65,997x = 19,437,657,561
5. Step 5: Solve for x
   x = 19,437,657,561/65,997
6. Step 6: Final answer
   x = 294,523.35