Finding the Third Proportional to 5,238,442 and 7,825,399

Step by Step Solution

1. Step 1: Write the proportion equation
   5,238,442 : 7,825,399 = 7,825,399 : x
2. Step 2: Convert to fraction form
   5,238,442/7,825,399 = 7,825,399/x
3. Step 3: Cross multiply
   5,238,442x = 7,825,399 × 7,825,399
4. Step 4: Simplify right side
   5,238,442x = 61,236,869,509,201
5. Step 5: Solve for x
   x = 61,236,869,509,201/5,238,442
6. Step 6: Final answer
   x = 11,689,901.22