Finding the Third Proportional to 31,909.50 and 47,712.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,909.50 : 47,712.25 = 47,712.25 : x
2. Step 2: Convert to fraction form
   31,909.50/47,712.25 = 47,712.25/x
3. Step 3: Cross multiply
   31,909.50x = 47,712.25 × 47,712.25
4. Step 4: Simplify right side
   31,909.50x = 2,276,458,800.06
5. Step 5: Solve for x
   x = 2,276,458,800.06/31,909.50
6. Step 6: Final answer
   x = 71,341.10