Finding the Third Proportional to 80,105,274 and 164,457,108

Step by Step Solution

1. Step 1: Write the proportion equation
   80,105,274 : 164,457,108 = 164,457,108 : x
2. Step 2: Convert to fraction form
   80,105,274/164,457,108 = 164,457,108/x
3. Step 3: Cross multiply
   80,105,274x = 164,457,108 × 164,457,108
4. Step 4: Simplify right side
   80,105,274x = 27,046,140,371,723,664
5. Step 5: Solve for x
   x = 27,046,140,371,723,664/80,105,274
6. Step 6: Final answer
   x = 337,632,455.66