Finding the Third Proportional to 112,228 and 245,918

Step by Step Solution

1. Step 1: Write the proportion equation
   112,228 : 245,918 = 245,918 : x
2. Step 2: Convert to fraction form
   112,228/245,918 = 245,918/x
3. Step 3: Cross multiply
   112,228x = 245,918 × 245,918
4. Step 4: Simplify right side
   112,228x = 60,475,662,724
5. Step 5: Solve for x
   x = 60,475,662,724/112,228
6. Step 6: Final answer
   x = 538,864.30