Finding the Third Proportional to 992,412 and 2,152,858

Step by Step Solution

1. Step 1: Write the proportion equation
   992,412 : 2,152,858 = 2,152,858 : x
2. Step 2: Convert to fraction form
   992,412/2,152,858 = 2,152,858/x
3. Step 3: Cross multiply
   992,412x = 2,152,858 × 2,152,858
4. Step 4: Simplify right side
   992,412x = 4,634,797,568,164
5. Step 5: Solve for x
   x = 4,634,797,568,164/992,412
6. Step 6: Final answer
   x = 4,670,235.31