Finding the Third Proportional to 5,238,433 and 7,825,389

Step by Step Solution

1. Step 1: Write the proportion equation
   5,238,433 : 7,825,389 = 7,825,389 : x
2. Step 2: Convert to fraction form
   5,238,433/7,825,389 = 7,825,389/x
3. Step 3: Cross multiply
   5,238,433x = 7,825,389 × 7,825,389
4. Step 4: Simplify right side
   5,238,433x = 61,236,713,001,321
5. Step 5: Solve for x
   x = 61,236,713,001,321/5,238,433
6. Step 6: Final answer
   x = 11,689,891.42