Finding the Third Proportional to 1,071,396 and 1,620,918

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,396 : 1,620,918 = 1,620,918 : x
2. Step 2: Convert to fraction form
   1,071,396/1,620,918 = 1,620,918/x
3. Step 3: Cross multiply
   1,071,396x = 1,620,918 × 1,620,918
4. Step 4: Simplify right side
   1,071,396x = 2,627,375,162,724
5. Step 5: Solve for x
   x = 2,627,375,162,724/1,071,396
6. Step 6: Final answer
   x = 2,452,291.37