Finding the Third Proportional to 31,158.56 and 67,956.19

Step by Step Solution

1. Step 1: Write the proportion equation
   31,158.56 : 67,956.19 = 67,956.19 : x
2. Step 2: Convert to fraction form
   31,158.56/67,956.19 = 67,956.19/x
3. Step 3: Cross multiply
   31,158.56x = 67,956.19 × 67,956.19
4. Step 4: Simplify right side
   31,158.56x = 4,618,043,419.54
5. Step 5: Solve for x
   x = 4,618,043,419.54/31,158.56
6. Step 6: Final answer
   x = 148,211.05