Finding the Third Proportional to 2,040,380 and 4,454,672

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040,380 : 4,454,672 = 4,454,672 : x
2. Step 2: Convert to fraction form
   2,040,380/4,454,672 = 4,454,672/x
3. Step 3: Cross multiply
   2,040,380x = 4,454,672 × 4,454,672
4. Step 4: Simplify right side
   2,040,380x = 19,844,102,627,584
5. Step 5: Solve for x
   x = 19,844,102,627,584/2,040,380
6. Step 6: Final answer
   x = 9,725,689.64