Finding the Third Proportional to 403,885.50 and 633,630

Step by Step Solution

1. Step 1: Write the proportion equation
   403,885.50 : 633,630 = 633,630 : x
2. Step 2: Convert to fraction form
   403,885.50/633,630 = 633,630/x
3. Step 3: Cross multiply
   403,885.50x = 633,630 × 633,630
4. Step 4: Simplify right side
   403,885.50x = 401,486,976,900
5. Step 5: Solve for x
   x = 401,486,976,900/403,885.50
6. Step 6: Final answer
   x = 994,061.38