Finding the Third Proportional to 222,112 and 360,870

Step by Step Solution

1. Step 1: Write the proportion equation
   222,112 : 360,870 = 360,870 : x
2. Step 2: Convert to fraction form
   222,112/360,870 = 360,870/x
3. Step 3: Cross multiply
   222,112x = 360,870 × 360,870
4. Step 4: Simplify right side
   222,112x = 130,227,156,900
5. Step 5: Solve for x
   x = 130,227,156,900/222,112
6. Step 6: Final answer
   x = 586,313.02