Finding the Third Proportional to 12,654.56 and 18,877.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,654.56 : 18,877.22 = 18,877.22 : x
2. Step 2: Convert to fraction form
   12,654.56/18,877.22 = 18,877.22/x
3. Step 3: Cross multiply
   12,654.56x = 18,877.22 × 18,877.22
4. Step 4: Simplify right side
   12,654.56x = 356,349,387.74
5. Step 5: Solve for x
   x = 356,349,387.74/12,654.56
6. Step 6: Final answer
   x = 28,159.76