Finding the Third Proportional to 422,632 and 654,943

Step by Step Solution

1. Step 1: Write the proportion equation
   422,632 : 654,943 = 654,943 : x
2. Step 2: Convert to fraction form
   422,632/654,943 = 654,943/x
3. Step 3: Cross multiply
   422,632x = 654,943 × 654,943
4. Step 4: Simplify right side
   422,632x = 428,950,333,249
5. Step 5: Solve for x
   x = 428,950,333,249/422,632
6. Step 6: Final answer
   x = 1,014,949.96