Finding the Third Proportional to 827,718 and 1,814,412

Step by Step Solution

1. Step 1: Write the proportion equation
   827,718 : 1,814,412 = 1,814,412 : x
2. Step 2: Convert to fraction form
   827,718/1,814,412 = 1,814,412/x
3. Step 3: Cross multiply
   827,718x = 1,814,412 × 1,814,412
4. Step 4: Simplify right side
   827,718x = 3,292,090,905,744
5. Step 5: Solve for x
   x = 3,292,090,905,744/827,718
6. Step 6: Final answer
   x = 3,977,309.79