Finding the Third Proportional to 1,615.22 and 3,488.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,615.22 : 3,488.34 = 3,488.34 : x
2. Step 2: Convert to fraction form
   1,615.22/3,488.34 = 3,488.34/x
3. Step 3: Cross multiply
   1,615.22x = 3,488.34 × 3,488.34
4. Step 4: Simplify right side
   1,615.22x = 12,168,542.12
5. Step 5: Solve for x
   x = 12,168,542.12/1,615.22
6. Step 6: Final answer
   x = 7,533.68