Finding the Third Proportional to 850,862 and 1,317,320

Step by Step Solution

1. Step 1: Write the proportion equation
   850,862 : 1,317,320 = 1,317,320 : x
2. Step 2: Convert to fraction form
   850,862/1,317,320 = 1,317,320/x
3. Step 3: Cross multiply
   850,862x = 1,317,320 × 1,317,320
4. Step 4: Simplify right side
   850,862x = 1,735,331,982,400
5. Step 5: Solve for x
   x = 1,735,331,982,400/850,862
6. Step 6: Final answer
   x = 2,039,498.75