Finding the Third Proportional to 67,972 and 99,960

Step by Step Solution

1. Step 1: Write the proportion equation
   67,972 : 99,960 = 99,960 : x
2. Step 2: Convert to fraction form
   67,972/99,960 = 99,960/x
3. Step 3: Cross multiply
   67,972x = 99,960 × 99,960
4. Step 4: Simplify right side
   67,972x = 9,992,001,600
5. Step 5: Solve for x
   x = 9,992,001,600/67,972
6. Step 6: Final answer
   x = 147,001.73