Finding the Third Proportional to 367,980 and 548,082

Step by Step Solution

1. Step 1: Write the proportion equation
   367,980 : 548,082 = 548,082 : x
2. Step 2: Convert to fraction form
   367,980/548,082 = 548,082/x
3. Step 3: Cross multiply
   367,980x = 548,082 × 548,082
4. Step 4: Simplify right side
   367,980x = 300,393,878,724
5. Step 5: Solve for x
   x = 300,393,878,724/367,980
6. Step 6: Final answer
   x = 816,332.08