Finding the Third Proportional to 373,618 and 773,822

Step by Step Solution

1. Step 1: Write the proportion equation
   373,618 : 773,822 = 773,822 : x
2. Step 2: Convert to fraction form
   373,618/773,822 = 773,822/x
3. Step 3: Cross multiply
   373,618x = 773,822 × 773,822
4. Step 4: Simplify right side
   373,618x = 598,800,487,684
5. Step 5: Solve for x
   x = 598,800,487,684/373,618
6. Step 6: Final answer
   x = 1,602,707.81