Finding the Third Proportional to 12,338,566 and 18,435,271

Step by Step Solution

1. Step 1: Write the proportion equation
   12,338,566 : 18,435,271 = 18,435,271 : x
2. Step 2: Convert to fraction form
   12,338,566/18,435,271 = 18,435,271/x
3. Step 3: Cross multiply
   12,338,566x = 18,435,271 × 18,435,271
4. Step 4: Simplify right side
   12,338,566x = 339,859,216,843,441
5. Step 5: Solve for x
   x = 339,859,216,843,441/12,338,566
6. Step 6: Final answer
   x = 27,544,466.42