Finding the Third Proportional to 101,660 and 222,948

Step by Step Solution

1. Step 1: Write the proportion equation
   101,660 : 222,948 = 222,948 : x
2. Step 2: Convert to fraction form
   101,660/222,948 = 222,948/x
3. Step 3: Cross multiply
   101,660x = 222,948 × 222,948
4. Step 4: Simplify right side
   101,660x = 49,705,810,704
5. Step 5: Solve for x
   x = 49,705,810,704/101,660
6. Step 6: Final answer
   x = 488,941.68