Finding the Third Proportional to 12,338,528 and 18,435,216

Step by Step Solution

1. Step 1: Write the proportion equation
   12,338,528 : 18,435,216 = 18,435,216 : x
2. Step 2: Convert to fraction form
   12,338,528/18,435,216 = 18,435,216/x
3. Step 3: Cross multiply
   12,338,528x = 18,435,216 × 18,435,216
4. Step 4: Simplify right side
   12,338,528x = 339,857,188,966,656
5. Step 5: Solve for x
   x = 339,857,188,966,656/12,338,528
6. Step 6: Final answer
   x = 27,544,386.90