Finding the Third Proportional to 354,096 and 548,280

Step by Step Solution

1. Step 1: Write the proportion equation
   354,096 : 548,280 = 548,280 : x
2. Step 2: Convert to fraction form
   354,096/548,280 = 548,280/x
3. Step 3: Cross multiply
   354,096x = 548,280 × 548,280
4. Step 4: Simplify right side
   354,096x = 300,610,958,400
5. Step 5: Solve for x
   x = 300,610,958,400/354,096
6. Step 6: Final answer
   x = 848,953.27