Finding the Third Proportional to 819,228 and 1,271,970

Step by Step Solution

1. Step 1: Write the proportion equation
   819,228 : 1,271,970 = 1,271,970 : x
2. Step 2: Convert to fraction form
   819,228/1,271,970 = 1,271,970/x
3. Step 3: Cross multiply
   819,228x = 1,271,970 × 1,271,970
4. Step 4: Simplify right side
   819,228x = 1,617,907,680,900
5. Step 5: Solve for x
   x = 1,617,907,680,900/819,228
6. Step 6: Final answer
   x = 1,974,917.46