Finding the Third Proportional to 1,810.69 and 3,928.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.69 : 3,928.92 = 3,928.92 : x
2. Step 2: Convert to fraction form
   1,810.69/3,928.92 = 3,928.92/x
3. Step 3: Cross multiply
   1,810.69x = 3,928.92 × 3,928.92
4. Step 4: Simplify right side
   1,810.69x = 15,436,427.10
5. Step 5: Solve for x
   x = 15,436,427.10/1,810.69
6. Step 6: Final answer
   x = 8,525.17