Finding the Third Proportional to 65,005.03 and 136,297.69

Step by Step Solution

1. Step 1: Write the proportion equation
   65,005.03 : 136,297.69 = 136,297.69 : x
2. Step 2: Convert to fraction form
   65,005.03/136,297.69 = 136,297.69/x
3. Step 3: Cross multiply
   65,005.03x = 136,297.69 × 136,297.69
4. Step 4: Simplify right side
   65,005.03x = 18,577,059,617.85
5. Step 5: Solve for x
   x = 18,577,059,617.85/65,005.03
6. Step 6: Final answer
   x = 285,778.80