Finding the Third Proportional to 111,143 and 240,054

Step by Step Solution

1. Step 1: Write the proportion equation
   111,143 : 240,054 = 240,054 : x
2. Step 2: Convert to fraction form
   111,143/240,054 = 240,054/x
3. Step 3: Cross multiply
   111,143x = 240,054 × 240,054
4. Step 4: Simplify right side
   111,143x = 57,625,922,916
5. Step 5: Solve for x
   x = 57,625,922,916/111,143
6. Step 6: Final answer
   x = 518,484.50