Finding the Third Proportional to 112,419 and 245,673

Step by Step Solution

1. Step 1: Write the proportion equation
   112,419 : 245,673 = 245,673 : x
2. Step 2: Convert to fraction form
   112,419/245,673 = 245,673/x
3. Step 3: Cross multiply
   112,419x = 245,673 × 245,673
4. Step 4: Simplify right side
   112,419x = 60,355,222,929
5. Step 5: Solve for x
   x = 60,355,222,929/112,419
6. Step 6: Final answer
   x = 536,877.42