Finding the Third Proportional to 111,930 and 168,973

Step by Step Solution

1. Step 1: Write the proportion equation
   111,930 : 168,973 = 168,973 : x
2. Step 2: Convert to fraction form
   111,930/168,973 = 168,973/x
3. Step 3: Cross multiply
   111,930x = 168,973 × 168,973
4. Step 4: Simplify right side
   111,930x = 28,551,874,729
5. Step 5: Solve for x
   x = 28,551,874,729/111,930
6. Step 6: Final answer
   x = 255,086.88