Finding the Third Proportional to 227,506 and 489,898

Step by Step Solution

1. Step 1: Write the proportion equation
   227,506 : 489,898 = 489,898 : x
2. Step 2: Convert to fraction form
   227,506/489,898 = 489,898/x
3. Step 3: Cross multiply
   227,506x = 489,898 × 489,898
4. Step 4: Simplify right side
   227,506x = 240,000,050,404
5. Step 5: Solve for x
   x = 240,000,050,404/227,506
6. Step 6: Final answer
   x = 1,054,917.45