Finding the Third Proportional to 50,987 and 74,980

Step by Step Solution

1. Step 1: Write the proportion equation
   50,987 : 74,980 = 74,980 : x
2. Step 2: Convert to fraction form
   50,987/74,980 = 74,980/x
3. Step 3: Cross multiply
   50,987x = 74,980 × 74,980
4. Step 4: Simplify right side
   50,987x = 5,622,000,400
5. Step 5: Solve for x
   x = 5,622,000,400/50,987
6. Step 6: Final answer
   x = 110,263.41