Finding the Third Proportional to 773,138 and 1,568,132

Step by Step Solution

1. Step 1: Write the proportion equation
   773,138 : 1,568,132 = 1,568,132 : x
2. Step 2: Convert to fraction form
   773,138/1,568,132 = 1,568,132/x
3. Step 3: Cross multiply
   773,138x = 1,568,132 × 1,568,132
4. Step 4: Simplify right side
   773,138x = 2,459,037,969,424
5. Step 5: Solve for x
   x = 2,459,037,969,424/773,138
6. Step 6: Final answer
   x = 3,180,593.85