Finding the Third Proportional to 789,402 and 1,729,038

Step by Step Solution

1. Step 1: Write the proportion equation
   789,402 : 1,729,038 = 1,729,038 : x
2. Step 2: Convert to fraction form
   789,402/1,729,038 = 1,729,038/x
3. Step 3: Cross multiply
   789,402x = 1,729,038 × 1,729,038
4. Step 4: Simplify right side
   789,402x = 2,989,572,405,444
5. Step 5: Solve for x
   x = 2,989,572,405,444/789,402
6. Step 6: Final answer
   x = 3,787,135.59