Finding the Third Proportional to 31,159.53 and 67,956.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,159.53 : 67,956.94 = 67,956.94 : x
2. Step 2: Convert to fraction form
   31,159.53/67,956.94 = 67,956.94/x
3. Step 3: Cross multiply
   31,159.53x = 67,956.94 × 67,956.94
4. Step 4: Simplify right side
   31,159.53x = 4,618,146,150.75
5. Step 5: Solve for x
   x = 4,618,146,150.75/31,159.53
6. Step 6: Final answer
   x = 148,209.75