Finding the Third Proportional to 12,472.88 and 18,709.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,472.88 : 18,709.31 = 18,709.31 : x
2. Step 2: Convert to fraction form
   12,472.88/18,709.31 = 18,709.31/x
3. Step 3: Cross multiply
   12,472.88x = 18,709.31 × 18,709.31
4. Step 4: Simplify right side
   12,472.88x = 350,038,374.22
5. Step 5: Solve for x
   x = 350,038,374.22/12,472.88
6. Step 6: Final answer
   x = 28,063.97