Finding the Third Proportional to 113,761.50 and 248,259

Step by Step Solution

1. Step 1: Write the proportion equation
   113,761.50 : 248,259 = 248,259 : x
2. Step 2: Convert to fraction form
   113,761.50/248,259 = 248,259/x
3. Step 3: Cross multiply
   113,761.50x = 248,259 × 248,259
4. Step 4: Simplify right side
   113,761.50x = 61,632,531,081
5. Step 5: Solve for x
   x = 61,632,531,081/113,761.50
6. Step 6: Final answer
   x = 541,769.68