Finding the Third Proportional to 2,991.94 and 4,108.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,991.94 : 4,108.22 = 4,108.22 : x
2. Step 2: Convert to fraction form
   2,991.94/4,108.22 = 4,108.22/x
3. Step 3: Cross multiply
   2,991.94x = 4,108.22 × 4,108.22
4. Step 4: Simplify right side
   2,991.94x = 16,877,461.30
5. Step 5: Solve for x
   x = 16,877,461.30/2,991.94
6. Step 6: Final answer
   x = 5,640.98