Finding the Third Proportional to 222,068 and 486,306

Step by Step Solution

1. Step 1: Write the proportion equation
   222,068 : 486,306 = 486,306 : x
2. Step 2: Convert to fraction form
   222,068/486,306 = 486,306/x
3. Step 3: Cross multiply
   222,068x = 486,306 × 486,306
4. Step 4: Simplify right side
   222,068x = 236,493,525,636
5. Step 5: Solve for x
   x = 236,493,525,636/222,068
6. Step 6: Final answer
   x = 1,064,959.95