Finding the Third Proportional to 80,105,168 and 164,456,920

Step by Step Solution

1. Step 1: Write the proportion equation
   80,105,168 : 164,456,920 = 164,456,920 : x
2. Step 2: Convert to fraction form
   80,105,168/164,456,920 = 164,456,920/x
3. Step 3: Cross multiply
   80,105,168x = 164,456,920 × 164,456,920
4. Step 4: Simplify right side
   80,105,168x = 27,046,078,535,886,400
5. Step 5: Solve for x
   x = 27,046,078,535,886,400/80,105,168
6. Step 6: Final answer
   x = 337,632,130.50