Finding the Third Proportional to 2,074.93 and 3,128.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.93 : 3,128.10 = 3,128.10 : x
2. Step 2: Convert to fraction form
   2,074.93/3,128.10 = 3,128.10/x
3. Step 3: Cross multiply
   2,074.93x = 3,128.10 × 3,128.10
4. Step 4: Simplify right side
   2,074.93x = 9,785,029.10
5. Step 5: Solve for x
   x = 9,785,029.10/2,074.93
6. Step 6: Final answer
   x = 4,715.84