Finding the Third Proportional to 771,499 and 1,669,843

Step by Step Solution

1. Step 1: Write the proportion equation
   771,499 : 1,669,843 = 1,669,843 : x
2. Step 2: Convert to fraction form
   771,499/1,669,843 = 1,669,843/x
3. Step 3: Cross multiply
   771,499x = 1,669,843 × 1,669,843
4. Step 4: Simplify right side
   771,499x = 2,788,375,644,649
5. Step 5: Solve for x
   x = 2,788,375,644,649/771,499
6. Step 6: Final answer
   x = 3,614,231.05