Finding the Third Proportional to 3,126.73 and 4,826.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,126.73 : 4,826.78 = 4,826.78 : x
2. Step 2: Convert to fraction form
   3,126.73/4,826.78 = 4,826.78/x
3. Step 3: Cross multiply
   3,126.73x = 4,826.78 × 4,826.78
4. Step 4: Simplify right side
   3,126.73x = 23,297,779.53
5. Step 5: Solve for x
   x = 23,297,779.53/3,126.73
6. Step 6: Final answer
   x = 7,451.17