Finding the Third Proportional to 245,626.50 and 366,918

Step by Step Solution

1. Step 1: Write the proportion equation
   245,626.50 : 366,918 = 366,918 : x
2. Step 2: Convert to fraction form
   245,626.50/366,918 = 366,918/x
3. Step 3: Cross multiply
   245,626.50x = 366,918 × 366,918
4. Step 4: Simplify right side
   245,626.50x = 134,628,818,724
5. Step 5: Solve for x
   x = 134,628,818,724/245,626.50
6. Step 6: Final answer
   x = 548,103.80