Finding the Third Proportional to 359,831 and 528,082

Step by Step Solution

1. Step 1: Write the proportion equation
   359,831 : 528,082 = 528,082 : x
2. Step 2: Convert to fraction form
   359,831/528,082 = 528,082/x
3. Step 3: Cross multiply
   359,831x = 528,082 × 528,082
4. Step 4: Simplify right side
   359,831x = 278,870,598,724
5. Step 5: Solve for x
   x = 278,870,598,724/359,831
6. Step 6: Final answer
   x = 775,004.37