Finding the Third Proportional to 1,955.81 and 2,776.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,955.81 : 2,776.78 = 2,776.78 : x
2. Step 2: Convert to fraction form
   1,955.81/2,776.78 = 2,776.78/x
3. Step 3: Cross multiply
   1,955.81x = 2,776.78 × 2,776.78
4. Step 4: Simplify right side
   1,955.81x = 7,710,514.11
5. Step 5: Solve for x
   x = 7,710,514.11/1,955.81
6. Step 6: Final answer
   x = 3,942.36