Finding the Third Proportional to 789,396 and 1,729,026

Step by Step Solution

1. Step 1: Write the proportion equation
   789,396 : 1,729,026 = 1,729,026 : x
2. Step 2: Convert to fraction form
   789,396/1,729,026 = 1,729,026/x
3. Step 3: Cross multiply
   789,396x = 1,729,026 × 1,729,026
4. Step 4: Simplify right side
   789,396x = 2,989,530,908,676
5. Step 5: Solve for x
   x = 2,989,530,908,676/789,396
6. Step 6: Final answer
   x = 3,787,111.80