Finding the Third Proportional to 99,974.25 and 222,091.31

Step by Step Solution

1. Step 1: Write the proportion equation
   99,974.25 : 222,091.31 = 222,091.31 : x
2. Step 2: Convert to fraction form
   99,974.25/222,091.31 = 222,091.31/x
3. Step 3: Cross multiply
   99,974.25x = 222,091.31 × 222,091.31
4. Step 4: Simplify right side
   99,974.25x = 49,324,551,087.97
5. Step 5: Solve for x
   x = 49,324,551,087.97/99,974.25
6. Step 6: Final answer
   x = 493,372.55