Finding the Third Proportional to 369,856 and 570,456

Step by Step Solution

1. Step 1: Write the proportion equation
   369,856 : 570,456 = 570,456 : x
2. Step 2: Convert to fraction form
   369,856/570,456 = 570,456/x
3. Step 3: Cross multiply
   369,856x = 570,456 × 570,456
4. Step 4: Simplify right side
   369,856x = 325,420,047,936
5. Step 5: Solve for x
   x = 325,420,047,936/369,856
6. Step 6: Final answer
   x = 879,856.07