Finding the Third Proportional to 111,381 and 240,150

Step by Step Solution

1. Step 1: Write the proportion equation
   111,381 : 240,150 = 240,150 : x
2. Step 2: Convert to fraction form
   111,381/240,150 = 240,150/x
3. Step 3: Cross multiply
   111,381x = 240,150 × 240,150
4. Step 4: Simplify right side
   111,381x = 57,672,022,500
5. Step 5: Solve for x
   x = 57,672,022,500/111,381
6. Step 6: Final answer
   x = 517,790.49