Finding the Third Proportional to 112,279 and 169,582

Step by Step Solution

1. Step 1: Write the proportion equation
   112,279 : 169,582 = 169,582 : x
2. Step 2: Convert to fraction form
   112,279/169,582 = 169,582/x
3. Step 3: Cross multiply
   112,279x = 169,582 × 169,582
4. Step 4: Simplify right side
   112,279x = 28,758,054,724
5. Step 5: Solve for x
   x = 28,758,054,724/112,279
6. Step 6: Final answer
   x = 256,130.31