Finding the Third Proportional to 65,012 and 139,852

Step by Step Solution

1. Step 1: Write the proportion equation
   65,012 : 139,852 = 139,852 : x
2. Step 2: Convert to fraction form
   65,012/139,852 = 139,852/x
3. Step 3: Cross multiply
   65,012x = 139,852 × 139,852
4. Step 4: Simplify right side
   65,012x = 19,558,581,904
5. Step 5: Solve for x
   x = 19,558,581,904/65,012
6. Step 6: Final answer
   x = 300,845.72