Finding the Third Proportional to 65,556 and 140,459.06

Step by Step Solution

1. Step 1: Write the proportion equation
   65,556 : 140,459.06 = 140,459.06 : x
2. Step 2: Convert to fraction form
   65,556/140,459.06 = 140,459.06/x
3. Step 3: Cross multiply
   65,556x = 140,459.06 × 140,459.06
4. Step 4: Simplify right side
   65,556x = 19,728,748,238.38
5. Step 5: Solve for x
   x = 19,728,748,238.38/65,556
6. Step 6: Final answer
   x = 300,944.97