Finding the Third Proportional to 468,678 and 699,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   468,678 : 699,949.50 = 699,949.50 : x
2. Step 2: Convert to fraction form
   468,678/699,949.50 = 699,949.50/x
3. Step 3: Cross multiply
   468,678x = 699,949.50 × 699,949.50
4. Step 4: Simplify right side
   468,678x = 489,929,302,550.25
5. Step 5: Solve for x
   x = 489,929,302,550.25/468,678
6. Step 6: Final answer
   x = 1,045,343.08