Finding the Third Proportional to 985,311 and 2,132,568

Step by Step Solution

1. Step 1: Write the proportion equation
   985,311 : 2,132,568 = 2,132,568 : x
2. Step 2: Convert to fraction form
   985,311/2,132,568 = 2,132,568/x
3. Step 3: Cross multiply
   985,311x = 2,132,568 × 2,132,568
4. Step 4: Simplify right side
   985,311x = 4,547,846,274,624
5. Step 5: Solve for x
   x = 4,547,846,274,624/985,311
6. Step 6: Final answer
   x = 4,615,645.49