Finding the Third Proportional to 80,105,072 and 164,456,756

Step by Step Solution

1. Step 1: Write the proportion equation
   80,105,072 : 164,456,756 = 164,456,756 : x
2. Step 2: Convert to fraction form
   80,105,072/164,456,756 = 164,456,756/x
3. Step 3: Cross multiply
   80,105,072x = 164,456,756 × 164,456,756
4. Step 4: Simplify right side
   80,105,072x = 27,046,024,594,043,536
5. Step 5: Solve for x
   x = 27,046,024,594,043,536/80,105,072
6. Step 6: Final answer
   x = 337,631,861.74