Finding the Third Proportional to 359,839 and 528,082

Step by Step Solution

1. Step 1: Write the proportion equation
   359,839 : 528,082 = 528,082 : x
2. Step 2: Convert to fraction form
   359,839/528,082 = 528,082/x
3. Step 3: Cross multiply
   359,839x = 528,082 × 528,082
4. Step 4: Simplify right side
   359,839x = 278,870,598,724
5. Step 5: Solve for x
   x = 278,870,598,724/359,839
6. Step 6: Final answer
   x = 774,987.14