Finding the Third Proportional to 2,070.56 and 4,139.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.56 : 4,139.44 = 4,139.44 : x
2. Step 2: Convert to fraction form
   2,070.56/4,139.44 = 4,139.44/x
3. Step 3: Cross multiply
   2,070.56x = 4,139.44 × 4,139.44
4. Step 4: Simplify right side
   2,070.56x = 17,134,942.82
5. Step 5: Solve for x
   x = 17,134,942.82/2,070.56
6. Step 6: Final answer
   x = 8,275.50