Finding the Third Proportional to 845,636 and 1,309,644

Step by Step Solution

1. Step 1: Write the proportion equation
   845,636 : 1,309,644 = 1,309,644 : x
2. Step 2: Convert to fraction form
   845,636/1,309,644 = 1,309,644/x
3. Step 3: Cross multiply
   845,636x = 1,309,644 × 1,309,644
4. Step 4: Simplify right side
   845,636x = 1,715,167,406,736
5. Step 5: Solve for x
   x = 1,715,167,406,736/845,636
6. Step 6: Final answer
   x = 2,028,257.32