Finding the Third Proportional to 31,917.75 and 50,516.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,917.75 : 50,516.63 = 50,516.63 : x
2. Step 2: Convert to fraction form
   31,917.75/50,516.63 = 50,516.63/x
3. Step 3: Cross multiply
   31,917.75x = 50,516.63 × 50,516.63
4. Step 4: Simplify right side
   31,917.75x = 2,551,929,401.39
5. Step 5: Solve for x
   x = 2,551,929,401.39/31,917.75
6. Step 6: Final answer
   x = 79,953.30