Finding the Third Proportional to 52,489 and 111,985

Step by Step Solution

1. Step 1: Write the proportion equation
   52,489 : 111,985 = 111,985 : x
2. Step 2: Convert to fraction form
   52,489/111,985 = 111,985/x
3. Step 3: Cross multiply
   52,489x = 111,985 × 111,985
4. Step 4: Simplify right side
   52,489x = 12,540,640,225
5. Step 5: Solve for x
   x = 12,540,640,225/52,489
6. Step 6: Final answer
   x = 238,919.40