Finding the Third Proportional to 226,330 and 493,240

Step by Step Solution

1. Step 1: Write the proportion equation
   226,330 : 493,240 = 493,240 : x
2. Step 2: Convert to fraction form
   226,330/493,240 = 493,240/x
3. Step 3: Cross multiply
   226,330x = 493,240 × 493,240
4. Step 4: Simplify right side
   226,330x = 243,285,697,600
5. Step 5: Solve for x
   x = 243,285,697,600/226,330
6. Step 6: Final answer
   x = 1,074,915.82