Finding the Third Proportional to 65,530 and 140,618

Step by Step Solution

1. Step 1: Write the proportion equation
   65,530 : 140,618 = 140,618 : x
2. Step 2: Convert to fraction form
   65,530/140,618 = 140,618/x
3. Step 3: Cross multiply
   65,530x = 140,618 × 140,618
4. Step 4: Simplify right side
   65,530x = 19,773,421,924
5. Step 5: Solve for x
   x = 19,773,421,924/65,530
6. Step 6: Final answer
   x = 301,746.10