Finding the Third Proportional to 494,280 and 1,079,172

Step by Step Solution

1. Step 1: Write the proportion equation
   494,280 : 1,079,172 = 1,079,172 : x
2. Step 2: Convert to fraction form
   494,280/1,079,172 = 1,079,172/x
3. Step 3: Cross multiply
   494,280x = 1,079,172 × 1,079,172
4. Step 4: Simplify right side
   494,280x = 1,164,612,205,584
5. Step 5: Solve for x
   x = 1,164,612,205,584/494,280
6. Step 6: Final answer
   x = 2,356,179.10