Finding the Third Proportional to 1,276.84 and 2,735.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,276.84 : 2,735.92 = 2,735.92 : x
2. Step 2: Convert to fraction form
   1,276.84/2,735.92 = 2,735.92/x
3. Step 3: Cross multiply
   1,276.84x = 2,735.92 × 2,735.92
4. Step 4: Simplify right side
   1,276.84x = 7,485,268.51
5. Step 5: Solve for x
   x = 7,485,268.51/1,276.84
6. Step 6: Final answer
   x = 5,862.32