Finding the Third Proportional to 2,499.31 and 5,786.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.31 : 5,786.03 = 5,786.03 : x
2. Step 2: Convert to fraction form
   2,499.31/5,786.03 = 5,786.03/x
3. Step 3: Cross multiply
   2,499.31x = 5,786.03 × 5,786.03
4. Step 4: Simplify right side
   2,499.31x = 33,478,157.63
5. Step 5: Solve for x
   x = 33,478,157.63/2,499.31
6. Step 6: Final answer
   x = 13,394.95