Finding the Third Proportional to 1,021,872 and 1,568,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021,872 : 1,568,520 = 1,568,520 : x
2. Step 2: Convert to fraction form
   1,021,872/1,568,520 = 1,568,520/x
3. Step 3: Cross multiply
   1,021,872x = 1,568,520 × 1,568,520
4. Step 4: Simplify right side
   1,021,872x = 2,460,254,990,400
5. Step 5: Solve for x
   x = 2,460,254,990,400/1,021,872
6. Step 6: Final answer
   x = 2,407,596.05