Finding the Third Proportional to 145,587 and 222,268.50

Step by Step Solution

1. Step 1: Write the proportion equation
   145,587 : 222,268.50 = 222,268.50 : x
2. Step 2: Convert to fraction form
   145,587/222,268.50 = 222,268.50/x
3. Step 3: Cross multiply
   145,587x = 222,268.50 × 222,268.50
4. Step 4: Simplify right side
   145,587x = 49,403,286,092.25
5. Step 5: Solve for x
   x = 49,403,286,092.25/145,587
6. Step 6: Final answer
   x = 339,338.58