Finding the Third Proportional to 31,956.50 and 68,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,956.50 : 68,818.50 = 68,818.50 : x
2. Step 2: Convert to fraction form
   31,956.50/68,818.50 = 68,818.50/x
3. Step 3: Cross multiply
   31,956.50x = 68,818.50 × 68,818.50
4. Step 4: Simplify right side
   31,956.50x = 4,735,985,942.25
5. Step 5: Solve for x
   x = 4,735,985,942.25/31,956.50
6. Step 6: Final answer
   x = 148,201.02