Finding the Third Proportional to 1,179,216 and 2,771,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179,216 : 2,771,872 = 2,771,872 : x
2. Step 2: Convert to fraction form
   1,179,216/2,771,872 = 2,771,872/x
3. Step 3: Cross multiply
   1,179,216x = 2,771,872 × 2,771,872
4. Step 4: Simplify right side
   1,179,216x = 7,683,274,384,384
5. Step 5: Solve for x
   x = 7,683,274,384,384/1,179,216
6. Step 6: Final answer
   x = 6,515,578.47