Finding the Third Proportional to 145,429,136 and 311,013,662

Step by Step Solution

1. Step 1: Write the proportion equation
   145,429,136 : 311,013,662 = 311,013,662 : x
2. Step 2: Convert to fraction form
   145,429,136/311,013,662 = 311,013,662/x
3. Step 3: Cross multiply
   145,429,136x = 311,013,662 × 311,013,662
4. Step 4: Simplify right side
   145,429,136x = 96,729,497,950,650,240
5. Step 5: Solve for x
   x = 96,729,497,950,650,240/145,429,136
6. Step 6: Final answer
   x = 665,131,490.23