Finding the Third Proportional to 112,886 and 240,388

Step by Step Solution

1. Step 1: Write the proportion equation
   112,886 : 240,388 = 240,388 : x
2. Step 2: Convert to fraction form
   112,886/240,388 = 240,388/x
3. Step 3: Cross multiply
   112,886x = 240,388 × 240,388
4. Step 4: Simplify right side
   112,886x = 57,786,390,544
5. Step 5: Solve for x
   x = 57,786,390,544/112,886
6. Step 6: Final answer
   x = 511,900.42