Finding the Third Proportional to 111,395 and 240,358

Step by Step Solution

1. Step 1: Write the proportion equation
   111,395 : 240,358 = 240,358 : x
2. Step 2: Convert to fraction form
   111,395/240,358 = 240,358/x
3. Step 3: Cross multiply
   111,395x = 240,358 × 240,358
4. Step 4: Simplify right side
   111,395x = 57,771,968,164
5. Step 5: Solve for x
   x = 57,771,968,164/111,395
6. Step 6: Final answer
   x = 518,622.63