Finding the Third Proportional to 345,849 and 757,308

Step by Step Solution

1. Step 1: Write the proportion equation
   345,849 : 757,308 = 757,308 : x
2. Step 2: Convert to fraction form
   345,849/757,308 = 757,308/x
3. Step 3: Cross multiply
   345,849x = 757,308 × 757,308
4. Step 4: Simplify right side
   345,849x = 573,515,406,864
5. Step 5: Solve for x
   x = 573,515,406,864/345,849
6. Step 6: Final answer
   x = 1,658,282.68