Finding the Third Proportional to 8,471.25 and 13,106.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,471.25 : 13,106.25 = 13,106.25 : x
2. Step 2: Convert to fraction form
   8,471.25/13,106.25 = 13,106.25/x
3. Step 3: Cross multiply
   8,471.25x = 13,106.25 × 13,106.25
4. Step 4: Simplify right side
   8,471.25x = 171,773,789.06
5. Step 5: Solve for x
   x = 171,773,789.06/8,471.25
6. Step 6: Final answer
   x = 20,277.27