Finding the Third Proportional to 3,664,359 and 5,387,067

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664,359 : 5,387,067 = 5,387,067 : x
2. Step 2: Convert to fraction form
   3,664,359/5,387,067 = 5,387,067/x
3. Step 3: Cross multiply
   3,664,359x = 5,387,067 × 5,387,067
4. Step 4: Simplify right side
   3,664,359x = 29,020,490,862,489
5. Step 5: Solve for x
   x = 29,020,490,862,489/3,664,359
6. Step 6: Final answer
   x = 7,919,663.67