Finding the Third Proportional to 69,960 and 99,976

Step by Step Solution

1. Step 1: Write the proportion equation
   69,960 : 99,976 = 99,976 : x
2. Step 2: Convert to fraction form
   69,960/99,976 = 99,976/x
3. Step 3: Cross multiply
   69,960x = 99,976 × 99,976
4. Step 4: Simplify right side
   69,960x = 9,995,200,576
5. Step 5: Solve for x
   x = 9,995,200,576/69,960
6. Step 6: Final answer
   x = 142,870.22