Finding the Third Proportional to 401,082 and 856,300

Step by Step Solution

1. Step 1: Write the proportion equation
   401,082 : 856,300 = 856,300 : x
2. Step 2: Convert to fraction form
   401,082/856,300 = 856,300/x
3. Step 3: Cross multiply
   401,082x = 856,300 × 856,300
4. Step 4: Simplify right side
   401,082x = 733,249,690,000
5. Step 5: Solve for x
   x = 733,249,690,000/401,082
6. Step 6: Final answer
   x = 1,828,179.00