Finding the Third Proportional to 777,938 and 1,609,872

Step by Step Solution

1. Step 1: Write the proportion equation
   777,938 : 1,609,872 = 1,609,872 : x
2. Step 2: Convert to fraction form
   777,938/1,609,872 = 1,609,872/x
3. Step 3: Cross multiply
   777,938x = 1,609,872 × 1,609,872
4. Step 4: Simplify right side
   777,938x = 2,591,687,856,384
5. Step 5: Solve for x
   x = 2,591,687,856,384/777,938
6. Step 6: Final answer
   x = 3,331,483.82