Finding the Third Proportional to 870,694 and 1,345,444

Step by Step Solution

1. Step 1: Write the proportion equation
   870,694 : 1,345,444 = 1,345,444 : x
2. Step 2: Convert to fraction form
   870,694/1,345,444 = 1,345,444/x
3. Step 3: Cross multiply
   870,694x = 1,345,444 × 1,345,444
4. Step 4: Simplify right side
   870,694x = 1,810,219,557,136
5. Step 5: Solve for x
   x = 1,810,219,557,136/870,694
6. Step 6: Final answer
   x = 2,079,053.67