Finding the Third Proportional to 12,471.56 and 18,342.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,471.56 : 18,342.56 = 18,342.56 : x
2. Step 2: Convert to fraction form
   12,471.56/18,342.56 = 18,342.56/x
3. Step 3: Cross multiply
   12,471.56x = 18,342.56 × 18,342.56
4. Step 4: Simplify right side
   12,471.56x = 336,449,599.07
5. Step 5: Solve for x
   x = 336,449,599.07/12,471.56
6. Step 6: Final answer
   x = 26,977.34