Finding the Third Proportional to 111,683 and 240,860

Step by Step Solution

1. Step 1: Write the proportion equation
   111,683 : 240,860 = 240,860 : x
2. Step 2: Convert to fraction form
   111,683/240,860 = 240,860/x
3. Step 3: Cross multiply
   111,683x = 240,860 × 240,860
4. Step 4: Simplify right side
   111,683x = 58,013,539,600
5. Step 5: Solve for x
   x = 58,013,539,600/111,683
6. Step 6: Final answer
   x = 519,448.26