Finding the Third Proportional to 222,936 and 349,200

Step by Step Solution

1. Step 1: Write the proportion equation
   222,936 : 349,200 = 349,200 : x
2. Step 2: Convert to fraction form
   222,936/349,200 = 349,200/x
3. Step 3: Cross multiply
   222,936x = 349,200 × 349,200
4. Step 4: Simplify right side
   222,936x = 121,940,640,000
5. Step 5: Solve for x
   x = 121,940,640,000/222,936
6. Step 6: Final answer
   x = 546,975.99