Finding the Third Proportional to 2,118.94 and 4,582.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118.94 : 4,582.69 = 4,582.69 : x
2. Step 2: Convert to fraction form
   2,118.94/4,582.69 = 4,582.69/x
3. Step 3: Cross multiply
   2,118.94x = 4,582.69 × 4,582.69
4. Step 4: Simplify right side
   2,118.94x = 21,001,024.72
5. Step 5: Solve for x
   x = 21,001,024.72/2,118.94
6. Step 6: Final answer
   x = 9,911.11