Finding the Third Proportional to 516,618 and 1,112,400

Step by Step Solution

1. Step 1: Write the proportion equation
   516,618 : 1,112,400 = 1,112,400 : x
2. Step 2: Convert to fraction form
   516,618/1,112,400 = 1,112,400/x
3. Step 3: Cross multiply
   516,618x = 1,112,400 × 1,112,400
4. Step 4: Simplify right side
   516,618x = 1,237,433,760,000
5. Step 5: Solve for x
   x = 1,237,433,760,000/516,618
6. Step 6: Final answer
   x = 2,395,258.70