Finding the Third Proportional to 111,720 and 240,932

Step by Step Solution

1. Step 1: Write the proportion equation
   111,720 : 240,932 = 240,932 : x
2. Step 2: Convert to fraction form
   111,720/240,932 = 240,932/x
3. Step 3: Cross multiply
   111,720x = 240,932 × 240,932
4. Step 4: Simplify right side
   111,720x = 58,048,228,624
5. Step 5: Solve for x
   x = 58,048,228,624/111,720
6. Step 6: Final answer
   x = 519,586.72