Finding the Third Proportional to 1,513.50 and 3,312

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.50 : 3,312 = 3,312 : x
2. Step 2: Convert to fraction form
   1,513.50/3,312 = 3,312/x
3. Step 3: Cross multiply
   1,513.50x = 3,312 × 3,312
4. Step 4: Simplify right side
   1,513.50x = 10,969,344
5. Step 5: Solve for x
   x = 10,969,344/1,513.50
6. Step 6: Final answer
   x = 7,247.67