Finding the Third Proportional to 109,112 and 168,488

Step by Step Solution

1. Step 1: Write the proportion equation
   109,112 : 168,488 = 168,488 : x
2. Step 2: Convert to fraction form
   109,112/168,488 = 168,488/x
3. Step 3: Cross multiply
   109,112x = 168,488 × 168,488
4. Step 4: Simplify right side
   109,112x = 28,388,206,144
5. Step 5: Solve for x
   x = 28,388,206,144/109,112
6. Step 6: Final answer
   x = 260,174.92