Finding the Third Proportional to 31,676.38 and 68,227.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,676.38 : 68,227.88 = 68,227.88 : x
2. Step 2: Convert to fraction form
   31,676.38/68,227.88 = 68,227.88/x
3. Step 3: Cross multiply
   31,676.38x = 68,227.88 × 68,227.88
4. Step 4: Simplify right side
   31,676.38x = 4,655,042,927.02
5. Step 5: Solve for x
   x = 4,655,042,927.02/31,676.38
6. Step 6: Final answer
   x = 146,956.30