Finding the Third Proportional to 276,913.50 and 605,080

Step by Step Solution

1. Step 1: Write the proportion equation
   276,913.50 : 605,080 = 605,080 : x
2. Step 2: Convert to fraction form
   276,913.50/605,080 = 605,080/x
3. Step 3: Cross multiply
   276,913.50x = 605,080 × 605,080
4. Step 4: Simplify right side
   276,913.50x = 366,121,806,400
5. Step 5: Solve for x
   x = 366,121,806,400/276,913.50
6. Step 6: Final answer
   x = 1,322,152.25