Finding the Third Proportional to 85,250 and 123,987

Step by Step Solution

1. Step 1: Write the proportion equation
   85,250 : 123,987 = 123,987 : x
2. Step 2: Convert to fraction form
   85,250/123,987 = 123,987/x
3. Step 3: Cross multiply
   85,250x = 123,987 × 123,987
4. Step 4: Simplify right side
   85,250x = 15,372,776,169
5. Step 5: Solve for x
   x = 15,372,776,169/85,250
6. Step 6: Final answer
   x = 180,325.82