Finding the Third Proportional to 858,096 and 1,285,488

Step by Step Solution

1. Step 1: Write the proportion equation
   858,096 : 1,285,488 = 1,285,488 : x
2. Step 2: Convert to fraction form
   858,096/1,285,488 = 1,285,488/x
3. Step 3: Cross multiply
   858,096x = 1,285,488 × 1,285,488
4. Step 4: Simplify right side
   858,096x = 1,652,479,398,144
5. Step 5: Solve for x
   x = 1,652,479,398,144/858,096
6. Step 6: Final answer
   x = 1,925,751.20