Finding the Third Proportional to 112,306 and 169,799

Step by Step Solution

1. Step 1: Write the proportion equation
   112,306 : 169,799 = 169,799 : x
2. Step 2: Convert to fraction form
   112,306/169,799 = 169,799/x
3. Step 3: Cross multiply
   112,306x = 169,799 × 169,799
4. Step 4: Simplify right side
   112,306x = 28,831,700,401
5. Step 5: Solve for x
   x = 28,831,700,401/112,306
6. Step 6: Final answer
   x = 256,724.49