Finding the Third Proportional to 71,750 and 111,985

Step by Step Solution

1. Step 1: Write the proportion equation
   71,750 : 111,985 = 111,985 : x
2. Step 2: Convert to fraction form
   71,750/111,985 = 111,985/x
3. Step 3: Cross multiply
   71,750x = 111,985 × 111,985
4. Step 4: Simplify right side
   71,750x = 12,540,640,225
5. Step 5: Solve for x
   x = 12,540,640,225/71,750
6. Step 6: Final answer
   x = 174,782.44