Finding the Third Proportional to 935,828 and 1,915,909

Step by Step Solution

1. Step 1: Write the proportion equation
   935,828 : 1,915,909 = 1,915,909 : x
2. Step 2: Convert to fraction form
   935,828/1,915,909 = 1,915,909/x
3. Step 3: Cross multiply
   935,828x = 1,915,909 × 1,915,909
4. Step 4: Simplify right side
   935,828x = 3,670,707,296,281
5. Step 5: Solve for x
   x = 3,670,707,296,281/935,828
6. Step 6: Final answer
   x = 3,922,416.62