Finding the Third Proportional to 282,815 and 395,601.50

Step by Step Solution

1. Step 1: Write the proportion equation
   282,815 : 395,601.50 = 395,601.50 : x
2. Step 2: Convert to fraction form
   282,815/395,601.50 = 395,601.50/x
3. Step 3: Cross multiply
   282,815x = 395,601.50 × 395,601.50
4. Step 4: Simplify right side
   282,815x = 156,500,546,802.25
5. Step 5: Solve for x
   x = 156,500,546,802.25/282,815
6. Step 6: Final answer
   x = 553,367.21