Finding the Third Proportional to 282,612 and 424,525.50

Step by Step Solution

1. Step 1: Write the proportion equation
   282,612 : 424,525.50 = 424,525.50 : x
2. Step 2: Convert to fraction form
   282,612/424,525.50 = 424,525.50/x
3. Step 3: Cross multiply
   282,612x = 424,525.50 × 424,525.50
4. Step 4: Simplify right side
   282,612x = 180,221,900,150.25
5. Step 5: Solve for x
   x = 180,221,900,150.25/282,612
6. Step 6: Final answer
   x = 637,700.81