Finding the Third Proportional to 31,656.50 and 73,956.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,656.50 : 73,956.50 = 73,956.50 : x
2. Step 2: Convert to fraction form
   31,656.50/73,956.50 = 73,956.50/x
3. Step 3: Cross multiply
   31,656.50x = 73,956.50 × 73,956.50
4. Step 4: Simplify right side
   31,656.50x = 5,469,563,892.25
5. Step 5: Solve for x
   x = 5,469,563,892.25/31,656.50
6. Step 6: Final answer
   x = 172,778.54