Finding the Third Proportional to 134,180 and 287,152

Step by Step Solution

1. Step 1: Write the proportion equation
   134,180 : 287,152 = 287,152 : x
2. Step 2: Convert to fraction form
   134,180/287,152 = 287,152/x
3. Step 3: Cross multiply
   134,180x = 287,152 × 287,152
4. Step 4: Simplify right side
   134,180x = 82,456,271,104
5. Step 5: Solve for x
   x = 82,456,271,104/134,180
6. Step 6: Final answer
   x = 614,519.83