Finding the Third Proportional to 12,797,664 and 17,998,992

Step by Step Solution

1. Step 1: Write the proportion equation
   12,797,664 : 17,998,992 = 17,998,992 : x
2. Step 2: Convert to fraction form
   12,797,664/17,998,992 = 17,998,992/x
3. Step 3: Cross multiply
   12,797,664x = 17,998,992 × 17,998,992
4. Step 4: Simplify right side
   12,797,664x = 323,963,713,016,064
5. Step 5: Solve for x
   x = 323,963,713,016,064/12,797,664
6. Step 6: Final answer
   x = 25,314,284.94