Finding the Third Proportional to 810,756 and 1,876,683

Step by Step Solution

1. Step 1: Write the proportion equation
   810,756 : 1,876,683 = 1,876,683 : x
2. Step 2: Convert to fraction form
   810,756/1,876,683 = 1,876,683/x
3. Step 3: Cross multiply
   810,756x = 1,876,683 × 1,876,683
4. Step 4: Simplify right side
   810,756x = 3,521,939,082,489
5. Step 5: Solve for x
   x = 3,521,939,082,489/810,756
6. Step 6: Final answer
   x = 4,344,018.52