Finding the Third Proportional to 1,769,856 and 2,687,406

Step by Step Solution

1. Step 1: Write the proportion equation
   1,769,856 : 2,687,406 = 2,687,406 : x
2. Step 2: Convert to fraction form
   1,769,856/2,687,406 = 2,687,406/x
3. Step 3: Cross multiply
   1,769,856x = 2,687,406 × 2,687,406
4. Step 4: Simplify right side
   1,769,856x = 7,222,151,008,836
5. Step 5: Solve for x
   x = 7,222,151,008,836/1,769,856
6. Step 6: Final answer
   x = 4,080,643.29