Finding the Third Proportional to 819,218 and 1,271,960

Step by Step Solution

1. Step 1: Write the proportion equation
   819,218 : 1,271,960 = 1,271,960 : x
2. Step 2: Convert to fraction form
   819,218/1,271,960 = 1,271,960/x
3. Step 3: Cross multiply
   819,218x = 1,271,960 × 1,271,960
4. Step 4: Simplify right side
   819,218x = 1,617,882,241,600
5. Step 5: Solve for x
   x = 1,617,882,241,600/819,218
6. Step 6: Final answer
   x = 1,974,910.51