Finding the Third Proportional to 165,054 and 360,456

Step by Step Solution

1. Step 1: Write the proportion equation
   165,054 : 360,456 = 360,456 : x
2. Step 2: Convert to fraction form
   165,054/360,456 = 360,456/x
3. Step 3: Cross multiply
   165,054x = 360,456 × 360,456
4. Step 4: Simplify right side
   165,054x = 129,928,527,936
5. Step 5: Solve for x
   x = 129,928,527,936/165,054
6. Step 6: Final answer
   x = 787,188.00