Finding the Third Proportional to 1,065,380 and 2,288,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,380 : 2,288,872 = 2,288,872 : x
2. Step 2: Convert to fraction form
   1,065,380/2,288,872 = 2,288,872/x
3. Step 3: Cross multiply
   1,065,380x = 2,288,872 × 2,288,872
4. Step 4: Simplify right side
   1,065,380x = 5,238,935,032,384
5. Step 5: Solve for x
   x = 5,238,935,032,384/1,065,380
6. Step 6: Final answer
   x = 4,917,433.25