Finding the Third Proportional to 403,866 and 633,601.50

Step by Step Solution

1. Step 1: Write the proportion equation
   403,866 : 633,601.50 = 633,601.50 : x
2. Step 2: Convert to fraction form
   403,866/633,601.50 = 633,601.50/x
3. Step 3: Cross multiply
   403,866x = 633,601.50 × 633,601.50
4. Step 4: Simplify right side
   403,866x = 401,450,860,802.25
5. Step 5: Solve for x
   x = 401,450,860,802.25/403,866
6. Step 6: Final answer
   x = 994,019.95