Finding the Third Proportional to 76,648 and 111,996

Step by Step Solution

1. Step 1: Write the proportion equation
   76,648 : 111,996 = 111,996 : x
2. Step 2: Convert to fraction form
   76,648/111,996 = 111,996/x
3. Step 3: Cross multiply
   76,648x = 111,996 × 111,996
4. Step 4: Simplify right side
   76,648x = 12,543,104,016
5. Step 5: Solve for x
   x = 12,543,104,016/76,648
6. Step 6: Final answer
   x = 163,645.55