Finding the Third Proportional to 112,416 and 240,858

Step by Step Solution

1. Step 1: Write the proportion equation
   112,416 : 240,858 = 240,858 : x
2. Step 2: Convert to fraction form
   112,416/240,858 = 240,858/x
3. Step 3: Cross multiply
   112,416x = 240,858 × 240,858
4. Step 4: Simplify right side
   112,416x = 58,012,576,164
5. Step 5: Solve for x
   x = 58,012,576,164/112,416
6. Step 6: Final answer
   x = 516,052.66