Finding the Third Proportional to 227,456 and 497,920

Step by Step Solution

1. Step 1: Write the proportion equation
   227,456 : 497,920 = 497,920 : x
2. Step 2: Convert to fraction form
   227,456/497,920 = 497,920/x
3. Step 3: Cross multiply
   227,456x = 497,920 × 497,920
4. Step 4: Simplify right side
   227,456x = 247,924,326,400
5. Step 5: Solve for x
   x = 247,924,326,400/227,456
6. Step 6: Final answer
   x = 1,089,988.07