Finding the Third Proportional to 144,636 and 337,910

Step by Step Solution

1. Step 1: Write the proportion equation
   144,636 : 337,910 = 337,910 : x
2. Step 2: Convert to fraction form
   144,636/337,910 = 337,910/x
3. Step 3: Cross multiply
   144,636x = 337,910 × 337,910
4. Step 4: Simplify right side
   144,636x = 114,183,168,100
5. Step 5: Solve for x
   x = 114,183,168,100/144,636
6. Step 6: Final answer
   x = 789,451.92