Finding the Third Proportional to 3,112.80 and 4,669.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,112.80 : 4,669.52 = 4,669.52 : x
2. Step 2: Convert to fraction form
   3,112.80/4,669.52 = 4,669.52/x
3. Step 3: Cross multiply
   3,112.80x = 4,669.52 × 4,669.52
4. Step 4: Simplify right side
   3,112.80x = 21,804,449.13
5. Step 5: Solve for x
   x = 21,804,449.13/3,112.80
6. Step 6: Final answer
   x = 7,004.76