Finding the Third Proportional to 80,105,078 and 164,456,758

Step by Step Solution

1. Step 1: Write the proportion equation
   80,105,078 : 164,456,758 = 164,456,758 : x
2. Step 2: Convert to fraction form
   80,105,078/164,456,758 = 164,456,758/x
3. Step 3: Cross multiply
   80,105,078x = 164,456,758 × 164,456,758
4. Step 4: Simplify right side
   80,105,078x = 27,046,025,251,870,564
5. Step 5: Solve for x
   x = 27,046,025,251,870,564/80,105,078
6. Step 6: Final answer
   x = 337,631,844.66