Finding the Third Proportional to 814,542 and 1,786,710

Step by Step Solution

1. Step 1: Write the proportion equation
   814,542 : 1,786,710 = 1,786,710 : x
2. Step 2: Convert to fraction form
   814,542/1,786,710 = 1,786,710/x
3. Step 3: Cross multiply
   814,542x = 1,786,710 × 1,786,710
4. Step 4: Simplify right side
   814,542x = 3,192,332,624,100
5. Step 5: Solve for x
   x = 3,192,332,624,100/814,542
6. Step 6: Final answer
   x = 3,919,174.98