Finding the Third Proportional to 7,497.56 and 12,494.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,497.56 : 12,494.81 = 12,494.81 : x
2. Step 2: Convert to fraction form
   7,497.56/12,494.81 = 12,494.81/x
3. Step 3: Cross multiply
   7,497.56x = 12,494.81 × 12,494.81
4. Step 4: Simplify right side
   7,497.56x = 156,120,339.41
5. Step 5: Solve for x
   x = 156,120,339.41/7,497.56
6. Step 6: Final answer
   x = 20,822.81