Finding the Third Proportional to 575,266 and 900,456

Step by Step Solution

1. Step 1: Write the proportion equation
   575,266 : 900,456 = 900,456 : x
2. Step 2: Convert to fraction form
   575,266/900,456 = 900,456/x
3. Step 3: Cross multiply
   575,266x = 900,456 × 900,456
4. Step 4: Simplify right side
   575,266x = 810,821,007,936
5. Step 5: Solve for x
   x = 810,821,007,936/575,266
6. Step 6: Final answer
   x = 1,409,471.46