Finding the Third Proportional to 921,760 and 1,917,096

Step by Step Solution

1. Step 1: Write the proportion equation
   921,760 : 1,917,096 = 1,917,096 : x
2. Step 2: Convert to fraction form
   921,760/1,917,096 = 1,917,096/x
3. Step 3: Cross multiply
   921,760x = 1,917,096 × 1,917,096
4. Step 4: Simplify right side
   921,760x = 3,675,257,073,216
5. Step 5: Solve for x
   x = 3,675,257,073,216/921,760
6. Step 6: Final answer
   x = 3,987,216.93