Finding the Third Proportional to 2,890.88 and 5,917.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,890.88 : 5,917.88 = 5,917.88 : x
2. Step 2: Convert to fraction form
   2,890.88/5,917.88 = 5,917.88/x
3. Step 3: Cross multiply
   2,890.88x = 5,917.88 × 5,917.88
4. Step 4: Simplify right side
   2,890.88x = 35,021,244.52
5. Step 5: Solve for x
   x = 35,021,244.52/2,890.88
6. Step 6: Final answer
   x = 12,114.41