Finding the Third Proportional to 175,084 and 287,648

Step by Step Solution

1. Step 1: Write the proportion equation
   175,084 : 287,648 = 287,648 : x
2. Step 2: Convert to fraction form
   175,084/287,648 = 287,648/x
3. Step 3: Cross multiply
   175,084x = 287,648 × 287,648
4. Step 4: Simplify right side
   175,084x = 82,741,371,904
5. Step 5: Solve for x
   x = 82,741,371,904/175,084
6. Step 6: Final answer
   x = 472,581.00