Finding the Third Proportional to 2,669.99 and 5,854.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669.99 : 5,854.31 = 5,854.31 : x
2. Step 2: Convert to fraction form
   2,669.99/5,854.31 = 5,854.31/x
3. Step 3: Cross multiply
   2,669.99x = 5,854.31 × 5,854.31
4. Step 4: Simplify right side
   2,669.99x = 34,272,906.24
5. Step 5: Solve for x
   x = 34,272,906.24/2,669.99
6. Step 6: Final answer
   x = 12,836.32