Finding the Third Proportional to 113,974.50 and 248,017.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,974.50 : 248,017.50 = 248,017.50 : x
2. Step 2: Convert to fraction form
   113,974.50/248,017.50 = 248,017.50/x
3. Step 3: Cross multiply
   113,974.50x = 248,017.50 × 248,017.50
4. Step 4: Simplify right side
   113,974.50x = 61,512,680,306.25
5. Step 5: Solve for x
   x = 61,512,680,306.25/113,974.50
6. Step 6: Final answer
   x = 539,705.64