Finding the Third Proportional to 72,018 and 112,175

Step by Step Solution

1. Step 1: Write the proportion equation
   72,018 : 112,175 = 112,175 : x
2. Step 2: Convert to fraction form
   72,018/112,175 = 112,175/x
3. Step 3: Cross multiply
   72,018x = 112,175 × 112,175
4. Step 4: Simplify right side
   72,018x = 12,583,230,625
5. Step 5: Solve for x
   x = 12,583,230,625/72,018
6. Step 6: Final answer
   x = 174,723.41