Finding the Third Proportional to 789,612 and 1,736,640

Step by Step Solution

1. Step 1: Write the proportion equation
   789,612 : 1,736,640 = 1,736,640 : x
2. Step 2: Convert to fraction form
   789,612/1,736,640 = 1,736,640/x
3. Step 3: Cross multiply
   789,612x = 1,736,640 × 1,736,640
4. Step 4: Simplify right side
   789,612x = 3,015,918,489,600
5. Step 5: Solve for x
   x = 3,015,918,489,600/789,612
6. Step 6: Final answer
   x = 3,819,494.24