Finding the Third Proportional to 1,036,689 and 1,622,715

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,689 : 1,622,715 = 1,622,715 : x
2. Step 2: Convert to fraction form
   1,036,689/1,622,715 = 1,622,715/x
3. Step 3: Cross multiply
   1,036,689x = 1,622,715 × 1,622,715
4. Step 4: Simplify right side
   1,036,689x = 2,633,203,971,225
5. Step 5: Solve for x
   x = 2,633,203,971,225/1,036,689
6. Step 6: Final answer
   x = 2,540,013.42