Finding the Third Proportional to 262,980 and 575,064

Step by Step Solution

1. Step 1: Write the proportion equation
   262,980 : 575,064 = 575,064 : x
2. Step 2: Convert to fraction form
   262,980/575,064 = 575,064/x
3. Step 3: Cross multiply
   262,980x = 575,064 × 575,064
4. Step 4: Simplify right side
   262,980x = 330,698,604,096
5. Step 5: Solve for x
   x = 330,698,604,096/262,980
6. Step 6: Final answer
   x = 1,257,504.77