Finding the Third Proportional to 1,249.17 and 1,959.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,249.17 : 1,959.61 = 1,959.61 : x
2. Step 2: Convert to fraction form
   1,249.17/1,959.61 = 1,959.61/x
3. Step 3: Cross multiply
   1,249.17x = 1,959.61 × 1,959.61
4. Step 4: Simplify right side
   1,249.17x = 3,840,068.90
5. Step 5: Solve for x
   x = 3,840,068.90/1,249.17
6. Step 6: Final answer
   x = 3,074.09