Finding the Third Proportional to 276,835.50 and 603,696

Step by Step Solution

1. Step 1: Write the proportion equation
   276,835.50 : 603,696 = 603,696 : x
2. Step 2: Convert to fraction form
   276,835.50/603,696 = 603,696/x
3. Step 3: Cross multiply
   276,835.50x = 603,696 × 603,696
4. Step 4: Simplify right side
   276,835.50x = 364,448,860,416
5. Step 5: Solve for x
   x = 364,448,860,416/276,835.50
6. Step 6: Final answer
   x = 1,316,481.67