Finding the Third Proportional to 2,350.27 and 5,611.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,350.27 : 5,611.78 = 5,611.78 : x
2. Step 2: Convert to fraction form
   2,350.27/5,611.78 = 5,611.78/x
3. Step 3: Cross multiply
   2,350.27x = 5,611.78 × 5,611.78
4. Step 4: Simplify right side
   2,350.27x = 31,492,088.80
5. Step 5: Solve for x
   x = 31,492,088.80/2,350.27
6. Step 6: Final answer
   x = 13,399.37