Finding the Third Proportional to 12,685.68 and 19,327.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,685.68 : 19,327.73 = 19,327.73 : x
2. Step 2: Convert to fraction form
   12,685.68/19,327.73 = 19,327.73/x
3. Step 3: Cross multiply
   12,685.68x = 19,327.73 × 19,327.73
4. Step 4: Simplify right side
   12,685.68x = 373,561,089.57
5. Step 5: Solve for x
   x = 373,561,089.57/12,685.68
6. Step 6: Final answer
   x = 29,447.47