Finding the Third Proportional to 687,022 and 1,038,051

Step by Step Solution

1. Step 1: Write the proportion equation
   687,022 : 1,038,051 = 1,038,051 : x
2. Step 2: Convert to fraction form
   687,022/1,038,051 = 1,038,051/x
3. Step 3: Cross multiply
   687,022x = 1,038,051 × 1,038,051
4. Step 4: Simplify right side
   687,022x = 1,077,549,878,601
5. Step 5: Solve for x
   x = 1,077,549,878,601/687,022
6. Step 6: Final answer
   x = 1,568,435.77