Finding the Third Proportional to 67,556 and 103,990

Step by Step Solution

1. Step 1: Write the proportion equation
   67,556 : 103,990 = 103,990 : x
2. Step 2: Convert to fraction form
   67,556/103,990 = 103,990/x
3. Step 3: Cross multiply
   67,556x = 103,990 × 103,990
4. Step 4: Simplify right side
   67,556x = 10,813,920,100
5. Step 5: Solve for x
   x = 10,813,920,100/67,556
6. Step 6: Final answer
   x = 160,073.42