Finding the Third Proportional to 302,389.50 and 633,894

Step by Step Solution

1. Step 1: Write the proportion equation
   302,389.50 : 633,894 = 633,894 : x
2. Step 2: Convert to fraction form
   302,389.50/633,894 = 633,894/x
3. Step 3: Cross multiply
   302,389.50x = 633,894 × 633,894
4. Step 4: Simplify right side
   302,389.50x = 401,821,603,236
5. Step 5: Solve for x
   x = 401,821,603,236/302,389.50
6. Step 6: Final answer
   x = 1,328,821.28