Finding the Third Proportional to 112,401 and 240,742.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,401 : 240,742.50 = 240,742.50 : x
2. Step 2: Convert to fraction form
   112,401/240,742.50 = 240,742.50/x
3. Step 3: Cross multiply
   112,401x = 240,742.50 × 240,742.50
4. Step 4: Simplify right side
   112,401x = 57,956,951,306.25
5. Step 5: Solve for x
   x = 57,956,951,306.25/112,401
6. Step 6: Final answer
   x = 515,626.65