Finding the Third Proportional to 2,611.30 and 3,451.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.30 : 3,451.36 = 3,451.36 : x
2. Step 2: Convert to fraction form
   2,611.30/3,451.36 = 3,451.36/x
3. Step 3: Cross multiply
   2,611.30x = 3,451.36 × 3,451.36
4. Step 4: Simplify right side
   2,611.30x = 11,911,881.54
5. Step 5: Solve for x
   x = 11,911,881.54/2,611.30
6. Step 6: Final answer
   x = 4,561.67