Finding the Third Proportional to 684,487.50 and 1,064,067

Step by Step Solution

1. Step 1: Write the proportion equation
   684,487.50 : 1,064,067 = 1,064,067 : x
2. Step 2: Convert to fraction form
   684,487.50/1,064,067 = 1,064,067/x
3. Step 3: Cross multiply
   684,487.50x = 1,064,067 × 1,064,067
4. Step 4: Simplify right side
   684,487.50x = 1,132,238,580,489
5. Step 5: Solve for x
   x = 1,132,238,580,489/684,487.50
6. Step 6: Final answer
   x = 1,654,140.62