Finding the Third Proportional to 1,977.88 and 3,074.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,977.88 : 3,074.81 = 3,074.81 : x
2. Step 2: Convert to fraction form
   1,977.88/3,074.81 = 3,074.81/x
3. Step 3: Cross multiply
   1,977.88x = 3,074.81 × 3,074.81
4. Step 4: Simplify right side
   1,977.88x = 9,454,471.91
5. Step 5: Solve for x
   x = 9,454,471.91/1,977.88
6. Step 6: Final answer
   x = 4,780.12