Finding the Third Proportional to 80,105,085 and 164,456,772

Step by Step Solution

1. Step 1: Write the proportion equation
   80,105,085 : 164,456,772 = 164,456,772 : x
2. Step 2: Convert to fraction form
   80,105,085/164,456,772 = 164,456,772/x
3. Step 3: Cross multiply
   80,105,085x = 164,456,772 × 164,456,772
4. Step 4: Simplify right side
   80,105,085x = 27,046,029,856,659,984
5. Step 5: Solve for x
   x = 27,046,029,856,659,984/80,105,085
6. Step 6: Final answer
   x = 337,631,872.64