Finding the Third Proportional to 779,723 and 1,175,345

Step by Step Solution

1. Step 1: Write the proportion equation
   779,723 : 1,175,345 = 1,175,345 : x
2. Step 2: Convert to fraction form
   779,723/1,175,345 = 1,175,345/x
3. Step 3: Cross multiply
   779,723x = 1,175,345 × 1,175,345
4. Step 4: Simplify right side
   779,723x = 1,381,435,869,025
5. Step 5: Solve for x
   x = 1,381,435,869,025/779,723
6. Step 6: Final answer
   x = 1,771,700.81