Finding the Third Proportional to 1,279.88 and 1,957.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279.88 : 1,957.88 = 1,957.88 : x
2. Step 2: Convert to fraction form
   1,279.88/1,957.88 = 1,957.88/x
3. Step 3: Cross multiply
   1,279.88x = 1,957.88 × 1,957.88
4. Step 4: Simplify right side
   1,279.88x = 3,833,274.52
5. Step 5: Solve for x
   x = 3,833,274.52/1,279.88
6. Step 6: Final answer
   x = 2,995.04