Finding the Third Proportional to 2,891.81 and 4,136.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,891.81 : 4,136.06 = 4,136.06 : x
2. Step 2: Convert to fraction form
   2,891.81/4,136.06 = 4,136.06/x
3. Step 3: Cross multiply
   2,891.81x = 4,136.06 × 4,136.06
4. Step 4: Simplify right side
   2,891.81x = 17,107,013.00
5. Step 5: Solve for x
   x = 17,107,013.00/2,891.81
6. Step 6: Final answer
   x = 5,915.67