Finding the Third Proportional to 765,328 and 1,681,568

Step by Step Solution

1. Step 1: Write the proportion equation
   765,328 : 1,681,568 = 1,681,568 : x
2. Step 2: Convert to fraction form
   765,328/1,681,568 = 1,681,568/x
3. Step 3: Cross multiply
   765,328x = 1,681,568 × 1,681,568
4. Step 4: Simplify right side
   765,328x = 2,827,670,938,624
5. Step 5: Solve for x
   x = 2,827,670,938,624/765,328
6. Step 6: Final answer
   x = 3,694,717.74