Finding the Third Proportional to 5,238,435 and 7,825,390

Step by Step Solution

1. Step 1: Write the proportion equation
   5,238,435 : 7,825,390 = 7,825,390 : x
2. Step 2: Convert to fraction form
   5,238,435/7,825,390 = 7,825,390/x
3. Step 3: Cross multiply
   5,238,435x = 7,825,390 × 7,825,390
4. Step 4: Simplify right side
   5,238,435x = 61,236,728,652,100
5. Step 5: Solve for x
   x = 61,236,728,652,100/5,238,435
6. Step 6: Final answer
   x = 11,689,889.95