Finding the Third Proportional to 112,415.20 and 240,855.89

Step by Step Solution

1. Step 1: Write the proportion equation
   112,415.20 : 240,855.89 = 240,855.89 : x
2. Step 2: Convert to fraction form
   112,415.20/240,855.89 = 240,855.89/x
3. Step 3: Cross multiply
   112,415.20x = 240,855.89 × 240,855.89
4. Step 4: Simplify right side
   112,415.20x = 58,011,560,048.76
5. Step 5: Solve for x
   x = 58,011,560,048.76/112,415.20
6. Step 6: Final answer
   x = 516,047.28