Finding the Third Proportional to 116,264 and 248,388

Step by Step Solution

1. Step 1: Write the proportion equation
   116,264 : 248,388 = 248,388 : x
2. Step 2: Convert to fraction form
   116,264/248,388 = 248,388/x
3. Step 3: Cross multiply
   116,264x = 248,388 × 248,388
4. Step 4: Simplify right side
   116,264x = 61,696,598,544
5. Step 5: Solve for x
   x = 61,696,598,544/116,264
6. Step 6: Final answer
   x = 530,659.52