Finding the Third Proportional to 267,768 and 401,666

Step by Step Solution

1. Step 1: Write the proportion equation
   267,768 : 401,666 = 401,666 : x
2. Step 2: Convert to fraction form
   267,768/401,666 = 401,666/x
3. Step 3: Cross multiply
   267,768x = 401,666 × 401,666
4. Step 4: Simplify right side
   267,768x = 161,335,575,556
5. Step 5: Solve for x
   x = 161,335,575,556/267,768
6. Step 6: Final answer
   x = 602,520.00