Finding the Third Proportional to 111,440 and 246,208

Step by Step Solution

1. Step 1: Write the proportion equation
   111,440 : 246,208 = 246,208 : x
2. Step 2: Convert to fraction form
   111,440/246,208 = 246,208/x
3. Step 3: Cross multiply
   111,440x = 246,208 × 246,208
4. Step 4: Simplify right side
   111,440x = 60,618,379,264
5. Step 5: Solve for x
   x = 60,618,379,264/111,440
6. Step 6: Final answer
   x = 543,955.31