Finding the Third Proportional to 850,834 and 1,317,279

Step by Step Solution

1. Step 1: Write the proportion equation
   850,834 : 1,317,279 = 1,317,279 : x
2. Step 2: Convert to fraction form
   850,834/1,317,279 = 1,317,279/x
3. Step 3: Cross multiply
   850,834x = 1,317,279 × 1,317,279
4. Step 4: Simplify right side
   850,834x = 1,735,223,963,841
5. Step 5: Solve for x
   x = 1,735,223,963,841/850,834
6. Step 6: Final answer
   x = 2,039,438.91