Finding the Third Proportional to 845,632 and 1,309,638

Step by Step Solution

1. Step 1: Write the proportion equation
   845,632 : 1,309,638 = 1,309,638 : x
2. Step 2: Convert to fraction form
   845,632/1,309,638 = 1,309,638/x
3. Step 3: Cross multiply
   845,632x = 1,309,638 × 1,309,638
4. Step 4: Simplify right side
   845,632x = 1,715,151,691,044
5. Step 5: Solve for x
   x = 1,715,151,691,044/845,632
6. Step 6: Final answer
   x = 2,028,248.33