Finding the Third Proportional to 783,878 and 1,145,568

Step by Step Solution

1. Step 1: Write the proportion equation
   783,878 : 1,145,568 = 1,145,568 : x
2. Step 2: Convert to fraction form
   783,878/1,145,568 = 1,145,568/x
3. Step 3: Cross multiply
   783,878x = 1,145,568 × 1,145,568
4. Step 4: Simplify right side
   783,878x = 1,312,326,042,624
5. Step 5: Solve for x
   x = 1,312,326,042,624/783,878
6. Step 6: Final answer
   x = 1,674,145.78