Finding the Third Proportional to 2,101.88 and 3,091.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.88 : 3,091.88 = 3,091.88 : x
2. Step 2: Convert to fraction form
   2,101.88/3,091.88 = 3,091.88/x
3. Step 3: Cross multiply
   2,101.88x = 3,091.88 × 3,091.88
4. Step 4: Simplify right side
   2,101.88x = 9,559,691.02
5. Step 5: Solve for x
   x = 9,559,691.02/2,101.88
6. Step 6: Final answer
   x = 4,548.17