Finding the Third Proportional to 789,964 and 1,729,939

Step by Step Solution

1. Step 1: Write the proportion equation
   789,964 : 1,729,939 = 1,729,939 : x
2. Step 2: Convert to fraction form
   789,964/1,729,939 = 1,729,939/x
3. Step 3: Cross multiply
   789,964x = 1,729,939 × 1,729,939
4. Step 4: Simplify right side
   789,964x = 2,992,688,943,721
5. Step 5: Solve for x
   x = 2,992,688,943,721/789,964
6. Step 6: Final answer
   x = 3,788,386.49