Finding the Third Proportional to 8,395.31 and 12,475.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,395.31 : 12,475.69 = 12,475.69 : x
2. Step 2: Convert to fraction form
   8,395.31/12,475.69 = 12,475.69/x
3. Step 3: Cross multiply
   8,395.31x = 12,475.69 × 12,475.69
4. Step 4: Simplify right side
   8,395.31x = 155,642,778.60
5. Step 5: Solve for x
   x = 155,642,778.60/8,395.31
6. Step 6: Final answer
   x = 18,539.25