Finding the Third Proportional to 222,230 and 479,210

Step by Step Solution

1. Step 1: Write the proportion equation
   222,230 : 479,210 = 479,210 : x
2. Step 2: Convert to fraction form
   222,230/479,210 = 479,210/x
3. Step 3: Cross multiply
   222,230x = 479,210 × 479,210
4. Step 4: Simplify right side
   222,230x = 229,642,224,100
5. Step 5: Solve for x
   x = 229,642,224,100/222,230
6. Step 6: Final answer
   x = 1,033,353.84