Finding the Third Proportional to 353,910 and 770,022

Step by Step Solution

1. Step 1: Write the proportion equation
   353,910 : 770,022 = 770,022 : x
2. Step 2: Convert to fraction form
   353,910/770,022 = 770,022/x
3. Step 3: Cross multiply
   353,910x = 770,022 × 770,022
4. Step 4: Simplify right side
   353,910x = 592,933,880,484
5. Step 5: Solve for x
   x = 592,933,880,484/353,910
6. Step 6: Final answer
   x = 1,675,380.41