Finding the Third Proportional to 773,136 and 1,568,128

Step by Step Solution

1. Step 1: Write the proportion equation
   773,136 : 1,568,128 = 1,568,128 : x
2. Step 2: Convert to fraction form
   773,136/1,568,128 = 1,568,128/x
3. Step 3: Cross multiply
   773,136x = 1,568,128 × 1,568,128
4. Step 4: Simplify right side
   773,136x = 2,459,025,424,384
5. Step 5: Solve for x
   x = 2,459,025,424,384/773,136
6. Step 6: Final answer
   x = 3,180,585.85