Finding the Third Proportional to 851,444 and 1,309,119

Step by Step Solution

1. Step 1: Write the proportion equation
   851,444 : 1,309,119 = 1,309,119 : x
2. Step 2: Convert to fraction form
   851,444/1,309,119 = 1,309,119/x
3. Step 3: Cross multiply
   851,444x = 1,309,119 × 1,309,119
4. Step 4: Simplify right side
   851,444x = 1,713,792,556,161
5. Step 5: Solve for x
   x = 1,713,792,556,161/851,444
6. Step 6: Final answer
   x = 2,012,807.13