Finding the Third Proportional to 3,139.69 and 4,264.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,139.69 : 4,264.03 = 4,264.03 : x
2. Step 2: Convert to fraction form
   3,139.69/4,264.03 = 4,264.03/x
3. Step 3: Cross multiply
   3,139.69x = 4,264.03 × 4,264.03
4. Step 4: Simplify right side
   3,139.69x = 18,181,962.50
5. Step 5: Solve for x
   x = 18,181,962.50/3,139.69
6. Step 6: Final answer
   x = 5,791.01