Finding the Third Proportional to 113,584.78 and 238,939.88

Step by Step Solution

1. Step 1: Write the proportion equation
   113,584.78 : 238,939.88 = 238,939.88 : x
2. Step 2: Convert to fraction form
   113,584.78/238,939.88 = 238,939.88/x
3. Step 3: Cross multiply
   113,584.78x = 238,939.88 × 238,939.88
4. Step 4: Simplify right side
   113,584.78x = 57,092,263,865.02
5. Step 5: Solve for x
   x = 57,092,263,865.02/113,584.78
6. Step 6: Final answer
   x = 502,640.08