Finding the Third Proportional to 422,626.50 and 654,934.50

Step by Step Solution

1. Step 1: Write the proportion equation
   422,626.50 : 654,934.50 = 654,934.50 : x
2. Step 2: Convert to fraction form
   422,626.50/654,934.50 = 654,934.50/x
3. Step 3: Cross multiply
   422,626.50x = 654,934.50 × 654,934.50
4. Step 4: Simplify right side
   422,626.50x = 428,939,199,290.25
5. Step 5: Solve for x
   x = 428,939,199,290.25/422,626.50
6. Step 6: Final answer
   x = 1,014,936.83