Finding the Third Proportional to 2,116.50 and 3,290.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.50 : 3,290.13 = 3,290.13 : x
2. Step 2: Convert to fraction form
   2,116.50/3,290.13 = 3,290.13/x
3. Step 3: Cross multiply
   2,116.50x = 3,290.13 × 3,290.13
4. Step 4: Simplify right side
   2,116.50x = 10,824,922.52
5. Step 5: Solve for x
   x = 10,824,922.52/2,116.50
6. Step 6: Final answer
   x = 5,114.54