Finding the Third Proportional to 276,196.50 and 605,110.50

Step by Step Solution

1. Step 1: Write the proportion equation
   276,196.50 : 605,110.50 = 605,110.50 : x
2. Step 2: Convert to fraction form
   276,196.50/605,110.50 = 605,110.50/x
3. Step 3: Cross multiply
   276,196.50x = 605,110.50 × 605,110.50
4. Step 4: Simplify right side
   276,196.50x = 366,158,717,210.25
5. Step 5: Solve for x
   x = 366,158,717,210.25/276,196.50
6. Step 6: Final answer
   x = 1,325,718.17