Finding the Third Proportional to 113,589 and 238,936.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,589 : 238,936.50 = 238,936.50 : x
2. Step 2: Convert to fraction form
   113,589/238,936.50 = 238,936.50/x
3. Step 3: Cross multiply
   113,589x = 238,936.50 × 238,936.50
4. Step 4: Simplify right side
   113,589x = 57,090,651,032.25
5. Step 5: Solve for x
   x = 57,090,651,032.25/113,589
6. Step 6: Final answer
   x = 502,607.22