Finding the Third Proportional to 2,081.81 and 5,099.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.81 : 5,099.06 = 5,099.06 : x
2. Step 2: Convert to fraction form
   2,081.81/5,099.06 = 5,099.06/x
3. Step 3: Cross multiply
   2,081.81x = 5,099.06 × 5,099.06
4. Step 4: Simplify right side
   2,081.81x = 26,000,438.38
5. Step 5: Solve for x
   x = 26,000,438.38/2,081.81
6. Step 6: Final answer
   x = 12,489.33