Finding the Third Proportional to 80,104,911 and 164,456,429

Step by Step Solution

1. Step 1: Write the proportion equation
   80,104,911 : 164,456,429 = 164,456,429 : x
2. Step 2: Convert to fraction form
   80,104,911/164,456,429 = 164,456,429/x
3. Step 3: Cross multiply
   80,104,911x = 164,456,429 × 164,456,429
4. Step 4: Simplify right side
   80,104,911x = 27,045,917,039,432,040
5. Step 5: Solve for x
   x = 27,045,917,039,432,040/80,104,911
6. Step 6: Final answer
   x = 337,631,197.66