Finding the Third Proportional to 112,438 and 168,049

Step by Step Solution

1. Step 1: Write the proportion equation
   112,438 : 168,049 = 168,049 : x
2. Step 2: Convert to fraction form
   112,438/168,049 = 168,049/x
3. Step 3: Cross multiply
   112,438x = 168,049 × 168,049
4. Step 4: Simplify right side
   112,438x = 28,240,466,401
5. Step 5: Solve for x
   x = 28,240,466,401/112,438
6. Step 6: Final answer
   x = 251,164.79