Finding the Third Proportional to 886,860 and 1,945,399

Step by Step Solution

1. Step 1: Write the proportion equation
   886,860 : 1,945,399 = 1,945,399 : x
2. Step 2: Convert to fraction form
   886,860/1,945,399 = 1,945,399/x
3. Step 3: Cross multiply
   886,860x = 1,945,399 × 1,945,399
4. Step 4: Simplify right side
   886,860x = 3,784,577,269,201
5. Step 5: Solve for x
   x = 3,784,577,269,201/886,860
6. Step 6: Final answer
   x = 4,267,389.74