Finding the Third Proportional to 403,792 and 627,010

Step by Step Solution

1. Step 1: Write the proportion equation
   403,792 : 627,010 = 627,010 : x
2. Step 2: Convert to fraction form
   403,792/627,010 = 627,010/x
3. Step 3: Cross multiply
   403,792x = 627,010 × 627,010
4. Step 4: Simplify right side
   403,792x = 393,141,540,100
5. Step 5: Solve for x
   x = 393,141,540,100/403,792
6. Step 6: Final answer
   x = 973,623.90