Finding the Third Proportional to 282,790.50 and 606,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   282,790.50 : 606,061.50 = 606,061.50 : x
2. Step 2: Convert to fraction form
   282,790.50/606,061.50 = 606,061.50/x
3. Step 3: Cross multiply
   282,790.50x = 606,061.50 × 606,061.50
4. Step 4: Simplify right side
   282,790.50x = 367,310,541,782.25
5. Step 5: Solve for x
   x = 367,310,541,782.25/282,790.50
6. Step 6: Final answer
   x = 1,298,878.65