Finding the Third Proportional to 112,434 and 169,392

Step by Step Solution

1. Step 1: Write the proportion equation
   112,434 : 169,392 = 169,392 : x
2. Step 2: Convert to fraction form
   112,434/169,392 = 169,392/x
3. Step 3: Cross multiply
   112,434x = 169,392 × 169,392
4. Step 4: Simplify right side
   112,434x = 28,693,649,664
5. Step 5: Solve for x
   x = 28,693,649,664/112,434
6. Step 6: Final answer
   x = 255,204.38