Finding the Third Proportional to 3,108.38 and 4,100.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,108.38 : 4,100.63 = 4,100.63 : x
2. Step 2: Convert to fraction form
   3,108.38/4,100.63 = 4,100.63/x
3. Step 3: Cross multiply
   3,108.38x = 4,100.63 × 4,100.63
4. Step 4: Simplify right side
   3,108.38x = 16,815,125.39
5. Step 5: Solve for x
   x = 16,815,125.39/3,108.38
6. Step 6: Final answer
   x = 5,409.62