Finding the Third Proportional to 2,782.69 and 4,437.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,782.69 : 4,437.28 = 4,437.28 : x
2. Step 2: Convert to fraction form
   2,782.69/4,437.28 = 4,437.28/x
3. Step 3: Cross multiply
   2,782.69x = 4,437.28 × 4,437.28
4. Step 4: Simplify right side
   2,782.69x = 19,689,464.89
5. Step 5: Solve for x
   x = 19,689,464.89/2,782.69
6. Step 6: Final answer
   x = 7,075.70