Finding the Third Proportional to 1,079.81 and 2,351.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,079.81 : 2,351.91 = 2,351.91 : x
2. Step 2: Convert to fraction form
   1,079.81/2,351.91 = 2,351.91/x
3. Step 3: Cross multiply
   1,079.81x = 2,351.91 × 2,351.91
4. Step 4: Simplify right side
   1,079.81x = 5,531,463.01
5. Step 5: Solve for x
   x = 5,531,463.01/1,079.81
6. Step 6: Final answer
   x = 5,122.61