Finding the Third Proportional to 31,371.75 and 55,311.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,371.75 : 55,311.75 = 55,311.75 : x
2. Step 2: Convert to fraction form
   31,371.75/55,311.75 = 55,311.75/x
3. Step 3: Cross multiply
   31,371.75x = 55,311.75 × 55,311.75
4. Step 4: Simplify right side
   31,371.75x = 3,059,389,688.06
5. Step 5: Solve for x
   x = 3,059,389,688.06/31,371.75
6. Step 6: Final answer
   x = 97,520.53