Finding the Third Proportional to 787,828 and 1,899,406

Step by Step Solution

1. Step 1: Write the proportion equation
   787,828 : 1,899,406 = 1,899,406 : x
2. Step 2: Convert to fraction form
   787,828/1,899,406 = 1,899,406/x
3. Step 3: Cross multiply
   787,828x = 1,899,406 × 1,899,406
4. Step 4: Simplify right side
   787,828x = 3,607,743,152,836
5. Step 5: Solve for x
   x = 3,607,743,152,836/787,828
6. Step 6: Final answer
   x = 4,579,353.81