Finding the Third Proportional to 455,910 and 992,096

Step by Step Solution

1. Step 1: Write the proportion equation
   455,910 : 992,096 = 992,096 : x
2. Step 2: Convert to fraction form
   455,910/992,096 = 992,096/x
3. Step 3: Cross multiply
   455,910x = 992,096 × 992,096
4. Step 4: Simplify right side
   455,910x = 984,254,473,216
5. Step 5: Solve for x
   x = 984,254,473,216/455,910
6. Step 6: Final answer
   x = 2,158,878.89