Finding the Third Proportional to 492,009 and 1,042,520

Step by Step Solution

1. Step 1: Write the proportion equation
   492,009 : 1,042,520 = 1,042,520 : x
2. Step 2: Convert to fraction form
   492,009/1,042,520 = 1,042,520/x
3. Step 3: Cross multiply
   492,009x = 1,042,520 × 1,042,520
4. Step 4: Simplify right side
   492,009x = 1,086,847,950,400
5. Step 5: Solve for x
   x = 1,086,847,950,400/492,009
6. Step 6: Final answer
   x = 2,209,000.14