Finding the Third Proportional to 222,112 and 499,968

Step by Step Solution

1. Step 1: Write the proportion equation
   222,112 : 499,968 = 499,968 : x
2. Step 2: Convert to fraction form
   222,112/499,968 = 499,968/x
3. Step 3: Cross multiply
   222,112x = 499,968 × 499,968
4. Step 4: Simplify right side
   222,112x = 249,968,001,024
5. Step 5: Solve for x
   x = 249,968,001,024/222,112
6. Step 6: Final answer
   x = 1,125,414.21