Finding the Third Proportional to 677,673 and 1,411,488

Step by Step Solution

1. Step 1: Write the proportion equation
   677,673 : 1,411,488 = 1,411,488 : x
2. Step 2: Convert to fraction form
   677,673/1,411,488 = 1,411,488/x
3. Step 3: Cross multiply
   677,673x = 1,411,488 × 1,411,488
4. Step 4: Simplify right side
   677,673x = 1,992,298,374,144
5. Step 5: Solve for x
   x = 1,992,298,374,144/677,673
6. Step 6: Final answer
   x = 2,939,911.10