Finding the Third Proportional to 112,914 and 248,864

Step by Step Solution

1. Step 1: Write the proportion equation
   112,914 : 248,864 = 248,864 : x
2. Step 2: Convert to fraction form
   112,914/248,864 = 248,864/x
3. Step 3: Cross multiply
   112,914x = 248,864 × 248,864
4. Step 4: Simplify right side
   112,914x = 61,933,290,496
5. Step 5: Solve for x
   x = 61,933,290,496/112,914
6. Step 6: Final answer
   x = 548,499.66