Finding the Third Proportional to 2,130.27 and 4,556.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130.27 : 4,556.69 = 4,556.69 : x
2. Step 2: Convert to fraction form
   2,130.27/4,556.69 = 4,556.69/x
3. Step 3: Cross multiply
   2,130.27x = 4,556.69 × 4,556.69
4. Step 4: Simplify right side
   2,130.27x = 20,763,400.97
5. Step 5: Solve for x
   x = 20,763,400.97/2,130.27
6. Step 6: Final answer
   x = 9,746.86