Finding the Third Proportional to 155,910 and 341,436

Step by Step Solution

1. Step 1: Write the proportion equation
   155,910 : 341,436 = 341,436 : x
2. Step 2: Convert to fraction form
   155,910/341,436 = 341,436/x
3. Step 3: Cross multiply
   155,910x = 341,436 × 341,436
4. Step 4: Simplify right side
   155,910x = 116,578,542,096
5. Step 5: Solve for x
   x = 116,578,542,096/155,910
6. Step 6: Final answer
   x = 747,729.73