Finding the Third Proportional to 494,240 and 1,079,120

Step by Step Solution

1. Step 1: Write the proportion equation
   494,240 : 1,079,120 = 1,079,120 : x
2. Step 2: Convert to fraction form
   494,240/1,079,120 = 1,079,120/x
3. Step 3: Cross multiply
   494,240x = 1,079,120 × 1,079,120
4. Step 4: Simplify right side
   494,240x = 1,164,499,974,400
5. Step 5: Solve for x
   x = 1,164,499,974,400/494,240
6. Step 6: Final answer
   x = 2,356,142.71