Finding the Third Proportional to 789,400 and 1,729,032

Step by Step Solution

1. Step 1: Write the proportion equation
   789,400 : 1,729,032 = 1,729,032 : x
2. Step 2: Convert to fraction form
   789,400/1,729,032 = 1,729,032/x
3. Step 3: Cross multiply
   789,400x = 1,729,032 × 1,729,032
4. Step 4: Simplify right side
   789,400x = 2,989,551,657,024
5. Step 5: Solve for x
   x = 2,989,551,657,024/789,400
6. Step 6: Final answer
   x = 3,787,118.90