Finding the Third Proportional to 48,649 and 72,671

Step by Step Solution

1. Step 1: Write the proportion equation
   48,649 : 72,671 = 72,671 : x
2. Step 2: Convert to fraction form
   48,649/72,671 = 72,671/x
3. Step 3: Cross multiply
   48,649x = 72,671 × 72,671
4. Step 4: Simplify right side
   48,649x = 5,281,074,241
5. Step 5: Solve for x
   x = 5,281,074,241/48,649
6. Step 6: Final answer
   x = 108,554.63