Finding the Third Proportional to 2,074.78 and 3,110.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.78 : 3,110.91 = 3,110.91 : x
2. Step 2: Convert to fraction form
   2,074.78/3,110.91 = 3,110.91/x
3. Step 3: Cross multiply
   2,074.78x = 3,110.91 × 3,110.91
4. Step 4: Simplify right side
   2,074.78x = 9,677,737.70
5. Step 5: Solve for x
   x = 9,677,737.70/2,074.78
6. Step 6: Final answer
   x = 4,664.46