Finding the Third Proportional to 717,540 and 1,538,112

Step by Step Solution

1. Step 1: Write the proportion equation
   717,540 : 1,538,112 = 1,538,112 : x
2. Step 2: Convert to fraction form
   717,540/1,538,112 = 1,538,112/x
3. Step 3: Cross multiply
   717,540x = 1,538,112 × 1,538,112
4. Step 4: Simplify right side
   717,540x = 2,365,788,524,544
5. Step 5: Solve for x
   x = 2,365,788,524,544/717,540
6. Step 6: Final answer
   x = 3,297,082.43