Finding the Third Proportional to 131,859 and 282,786.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,859 : 282,786.50 = 282,786.50 : x
2. Step 2: Convert to fraction form
   131,859/282,786.50 = 282,786.50/x
3. Step 3: Cross multiply
   131,859x = 282,786.50 × 282,786.50
4. Step 4: Simplify right side
   131,859x = 79,968,204,582.25
5. Step 5: Solve for x
   x = 79,968,204,582.25/131,859
6. Step 6: Final answer
   x = 606,467.55