Finding the Third Proportional to 111,376 and 240,140

Step by Step Solution

1. Step 1: Write the proportion equation
   111,376 : 240,140 = 240,140 : x
2. Step 2: Convert to fraction form
   111,376/240,140 = 240,140/x
3. Step 3: Cross multiply
   111,376x = 240,140 × 240,140
4. Step 4: Simplify right side
   111,376x = 57,667,219,600
5. Step 5: Solve for x
   x = 57,667,219,600/111,376
6. Step 6: Final answer
   x = 517,770.61