Finding the Third Proportional to 1,513.69 and 3,326.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.69 : 3,326.91 = 3,326.91 : x
2. Step 2: Convert to fraction form
   1,513.69/3,326.91 = 3,326.91/x
3. Step 3: Cross multiply
   1,513.69x = 3,326.91 × 3,326.91
4. Step 4: Simplify right side
   1,513.69x = 11,068,305.20
5. Step 5: Solve for x
   x = 11,068,305.20/1,513.69
6. Step 6: Final answer
   x = 7,312.15