Finding the Third Proportional to 313,870 and 773,924

Step by Step Solution

1. Step 1: Write the proportion equation
   313,870 : 773,924 = 773,924 : x
2. Step 2: Convert to fraction form
   313,870/773,924 = 773,924/x
3. Step 3: Cross multiply
   313,870x = 773,924 × 773,924
4. Step 4: Simplify right side
   313,870x = 598,958,357,776
5. Step 5: Solve for x
   x = 598,958,357,776/313,870
6. Step 6: Final answer
   x = 1,908,300.75