Finding the Third Proportional to 111,375 and 240,138

Step by Step Solution

1. Step 1: Write the proportion equation
   111,375 : 240,138 = 240,138 : x
2. Step 2: Convert to fraction form
   111,375/240,138 = 240,138/x
3. Step 3: Cross multiply
   111,375x = 240,138 × 240,138
4. Step 4: Simplify right side
   111,375x = 57,666,259,044
5. Step 5: Solve for x
   x = 57,666,259,044/111,375
6. Step 6: Final answer
   x = 517,766.64