Finding the Third Proportional to 151,986 and 222,116.25

Step by Step Solution

1. Step 1: Write the proportion equation
   151,986 : 222,116.25 = 222,116.25 : x
2. Step 2: Convert to fraction form
   151,986/222,116.25 = 222,116.25/x
3. Step 3: Cross multiply
   151,986x = 222,116.25 × 222,116.25
4. Step 4: Simplify right side
   151,986x = 49,335,628,514.06
5. Step 5: Solve for x
   x = 49,335,628,514.06/151,986
6. Step 6: Final answer
   x = 324,606.40