Finding the Third Proportional to 12,412,665 and 19,373,373

Step by Step Solution

1. Step 1: Write the proportion equation
   12,412,665 : 19,373,373 = 19,373,373 : x
2. Step 2: Convert to fraction form
   12,412,665/19,373,373 = 19,373,373/x
3. Step 3: Cross multiply
   12,412,665x = 19,373,373 × 19,373,373
4. Step 4: Simplify right side
   12,412,665x = 375,327,581,397,129
5. Step 5: Solve for x
   x = 375,327,581,397,129/12,412,665
6. Step 6: Final answer
   x = 30,237,469.66