Finding the Third Proportional to 65,143,618 and 143,198,068

Step by Step Solution

1. Step 1: Write the proportion equation
   65,143,618 : 143,198,068 = 143,198,068 : x
2. Step 2: Convert to fraction form
   65,143,618/143,198,068 = 143,198,068/x
3. Step 3: Cross multiply
   65,143,618x = 143,198,068 × 143,198,068
4. Step 4: Simplify right side
   65,143,618x = 20,505,686,678,932,624
5. Step 5: Solve for x
   x = 20,505,686,678,932,624/65,143,618
6. Step 6: Final answer
   x = 314,776,601.43