Finding the Third Proportional to 45,770 and 67,170

Step by Step Solution

1. Step 1: Write the proportion equation
   45,770 : 67,170 = 67,170 : x
2. Step 2: Convert to fraction form
   45,770/67,170 = 67,170/x
3. Step 3: Cross multiply
   45,770x = 67,170 × 67,170
4. Step 4: Simplify right side
   45,770x = 4,511,808,900
5. Step 5: Solve for x
   x = 4,511,808,900/45,770
6. Step 6: Final answer
   x = 98,575.68