Finding the Third Proportional to 1,957.76 and 4,080.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,957.76 : 4,080.69 = 4,080.69 : x
2. Step 2: Convert to fraction form
   1,957.76/4,080.69 = 4,080.69/x
3. Step 3: Cross multiply
   1,957.76x = 4,080.69 × 4,080.69
4. Step 4: Simplify right side
   1,957.76x = 16,652,042.35
5. Step 5: Solve for x
   x = 16,652,042.35/1,957.76
6. Step 6: Final answer
   x = 8,505.64