Finding the Third Proportional to 31,628 and 47,451

Step by Step Solution

1. Step 1: Write the proportion equation
   31,628 : 47,451 = 47,451 : x
2. Step 2: Convert to fraction form
   31,628/47,451 = 47,451/x
3. Step 3: Cross multiply
   31,628x = 47,451 × 47,451
4. Step 4: Simplify right side
   31,628x = 2,251,597,401
5. Step 5: Solve for x
   x = 2,251,597,401/31,628
6. Step 6: Final answer
   x = 71,190.00