Finding the Third Proportional to 80,104,905 and 164,456,418

Step by Step Solution

1. Step 1: Write the proportion equation
   80,104,905 : 164,456,418 = 164,456,418 : x
2. Step 2: Convert to fraction form
   80,104,905/164,456,418 = 164,456,418/x
3. Step 3: Cross multiply
   80,104,905x = 164,456,418 × 164,456,418
4. Step 4: Simplify right side
   80,104,905x = 27,045,913,421,390,724
5. Step 5: Solve for x
   x = 27,045,913,421,390,724/80,104,905
6. Step 6: Final answer
   x = 337,631,177.78