Finding the Third Proportional to 73,170 and 109,443

Step by Step Solution

1. Step 1: Write the proportion equation
   73,170 : 109,443 = 109,443 : x
2. Step 2: Convert to fraction form
   73,170/109,443 = 109,443/x
3. Step 3: Cross multiply
   73,170x = 109,443 × 109,443
4. Step 4: Simplify right side
   73,170x = 11,977,770,249
5. Step 5: Solve for x
   x = 11,977,770,249/73,170
6. Step 6: Final answer
   x = 163,697.83