Finding the Third Proportional to 2,100.94 and 4,570.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.94 : 4,570.31 = 4,570.31 : x
2. Step 2: Convert to fraction form
   2,100.94/4,570.31 = 4,570.31/x
3. Step 3: Cross multiply
   2,100.94x = 4,570.31 × 4,570.31
4. Step 4: Simplify right side
   2,100.94x = 20,887,756.35
5. Step 5: Solve for x
   x = 20,887,756.35/2,100.94
6. Step 6: Final answer
   x = 9,942.11