Finding the Third Proportional to 684,489 and 1,064,067

Step by Step Solution

1. Step 1: Write the proportion equation
   684,489 : 1,064,067 = 1,064,067 : x
2. Step 2: Convert to fraction form
   684,489/1,064,067 = 1,064,067/x
3. Step 3: Cross multiply
   684,489x = 1,064,067 × 1,064,067
4. Step 4: Simplify right side
   684,489x = 1,132,238,580,489
5. Step 5: Solve for x
   x = 1,132,238,580,489/684,489
6. Step 6: Final answer
   x = 1,654,137.00