Finding the Third Proportional to 1,491.50 and 3,199

Step by Step Solution

1. Step 1: Write the proportion equation
   1,491.50 : 3,199 = 3,199 : x
2. Step 2: Convert to fraction form
   1,491.50/3,199 = 3,199/x
3. Step 3: Cross multiply
   1,491.50x = 3,199 × 3,199
4. Step 4: Simplify right side
   1,491.50x = 10,233,601
5. Step 5: Solve for x
   x = 10,233,601/1,491.50
6. Step 6: Final answer
   x = 6,861.28