Finding the Third Proportional to 67,908 and 101,990

Step by Step Solution

1. Step 1: Write the proportion equation
   67,908 : 101,990 = 101,990 : x
2. Step 2: Convert to fraction form
   67,908/101,990 = 101,990/x
3. Step 3: Cross multiply
   67,908x = 101,990 × 101,990
4. Step 4: Simplify right side
   67,908x = 10,401,960,100
5. Step 5: Solve for x
   x = 10,401,960,100/67,908
6. Step 6: Final answer
   x = 153,177.24