Finding the Third Proportional to 677,830 and 1,411,802

Step by Step Solution

1. Step 1: Write the proportion equation
   677,830 : 1,411,802 = 1,411,802 : x
2. Step 2: Convert to fraction form
   677,830/1,411,802 = 1,411,802/x
3. Step 3: Cross multiply
   677,830x = 1,411,802 × 1,411,802
4. Step 4: Simplify right side
   677,830x = 1,993,184,887,204
5. Step 5: Solve for x
   x = 1,993,184,887,204/677,830
6. Step 6: Final answer
   x = 2,940,538.02