Finding the Third Proportional to 886,890 and 1,945,455

Step by Step Solution

1. Step 1: Write the proportion equation
   886,890 : 1,945,455 = 1,945,455 : x
2. Step 2: Convert to fraction form
   886,890/1,945,455 = 1,945,455/x
3. Step 3: Cross multiply
   886,890x = 1,945,455 × 1,945,455
4. Step 4: Simplify right side
   886,890x = 3,784,795,157,025
5. Step 5: Solve for x
   x = 3,784,795,157,025/886,890
6. Step 6: Final answer
   x = 4,267,491.07