Finding the Third Proportional to 31,248 and 50,321

Step by Step Solution

1. Step 1: Write the proportion equation
   31,248 : 50,321 = 50,321 : x
2. Step 2: Convert to fraction form
   31,248/50,321 = 50,321/x
3. Step 3: Cross multiply
   31,248x = 50,321 × 50,321
4. Step 4: Simplify right side
   31,248x = 2,532,203,041
5. Step 5: Solve for x
   x = 2,532,203,041/31,248
6. Step 6: Final answer
   x = 81,035.68