Finding the Third Proportional to 381,303 and 838,786.50

Step by Step Solution

1. Step 1: Write the proportion equation
   381,303 : 838,786.50 = 838,786.50 : x
2. Step 2: Convert to fraction form
   381,303/838,786.50 = 838,786.50/x
3. Step 3: Cross multiply
   381,303x = 838,786.50 × 838,786.50
4. Step 4: Simplify right side
   381,303x = 703,562,792,582.25
5. Step 5: Solve for x
   x = 703,562,792,582.25/381,303
6. Step 6: Final answer
   x = 1,845,154.10