Finding the Third Proportional to 39,611 and 70,443

Step by Step Solution

1. Step 1: Write the proportion equation
   39,611 : 70,443 = 70,443 : x
2. Step 2: Convert to fraction form
   39,611/70,443 = 70,443/x
3. Step 3: Cross multiply
   39,611x = 70,443 × 70,443
4. Step 4: Simplify right side
   39,611x = 4,962,216,249
5. Step 5: Solve for x
   x = 4,962,216,249/39,611
6. Step 6: Final answer
   x = 125,273.69