Finding the Third Proportional to 5,380.88 and 8,071.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,380.88 : 8,071.03 = 8,071.03 : x
2. Step 2: Convert to fraction form
   5,380.88/8,071.03 = 8,071.03/x
3. Step 3: Cross multiply
   5,380.88x = 8,071.03 × 8,071.03
4. Step 4: Simplify right side
   5,380.88x = 65,141,545.44
5. Step 5: Solve for x
   x = 65,141,545.44/5,380.88
6. Step 6: Final answer
   x = 12,106.13