Finding the Third Proportional to 112,818 and 240,647

Step by Step Solution

1. Step 1: Write the proportion equation
   112,818 : 240,647 = 240,647 : x
2. Step 2: Convert to fraction form
   112,818/240,647 = 240,647/x
3. Step 3: Cross multiply
   112,818x = 240,647 × 240,647
4. Step 4: Simplify right side
   112,818x = 57,910,978,609
5. Step 5: Solve for x
   x = 57,910,978,609/112,818
6. Step 6: Final answer
   x = 513,313.29