Finding the Third Proportional to 1,172,648 and 2,569,738

Step by Step Solution

1. Step 1: Write the proportion equation
   1,172,648 : 2,569,738 = 2,569,738 : x
2. Step 2: Convert to fraction form
   1,172,648/2,569,738 = 2,569,738/x
3. Step 3: Cross multiply
   1,172,648x = 2,569,738 × 2,569,738
4. Step 4: Simplify right side
   1,172,648x = 6,603,553,388,644
5. Step 5: Solve for x
   x = 6,603,553,388,644/1,172,648
6. Step 6: Final answer
   x = 5,631,317.66